JDToYMDジェーディトゥーワイエムディ関数

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ユリウス日をグレゴリオ暦に変換します。

構文
JDToYMD( JD )
引数
JD 必須
ユリウス日
戻り値
グレゴリオ暦を格納した配列(0 : 年, 1 : 月, 2 : 日, 3 : 時, 4 : 分, 5 : 秒)

プログラム

UWSC
//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

プログラム実行例

今年の春分の日の日付を求める

春分の日は太陽黄経が0度なので、翌年1月1日の直前の太陽黄経0度の日付を求める。

UWSC
GETTIME()
DIM year = G_TIME_YY + 1
DIM month = 1
DIM day = 1

REPEAT
	DIM arr = nishiNibun(YMDToJD(year, month, day))
	DIM d = JDToYMD(arr[0])
	year = d[0]
	month = d[1]
	day = d[2]
UNTIL arr[1] = 0

RESIZE(d, 2)
PRINT JOIN(d, "/")

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION nishiNibun(JD)
	// ユリウス日を力学時に変換
	DIM TD = JD - 9/24
	DIM n = 1
	REPEAT
		// 力学時をユリウス世紀に変換
		DIM JC = (TD + 0.5 - 2451545) / 36525
		DIM λsun = longitudeSun(JC)
		IF n = 1 THEN DIM λsun0 = INT(λsun / 90) * 90
		DIM Δλ = λsun - λsun0
		SELECT TRUE
			CASE Δλ > 180
				Δλ = Δλ - 360
			CASE Δλ < -180
				Δλ = Δλ + 180
		SELEND
		DIM Δt = Δλ * (365.2/360)
		TD = TD - Δt
		n = n + 1
	UNTIL ABS(Δt) <= 1/86400
	DIM arr[1]
	arr[0] = TD + 9/24
	arr[1] = λsun0
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
プレーンテキスト
2020/3/20
使用関数

今年の秋分の日の日付を求める

秋分の日は太陽黄経が180度なので、翌年1月1日の直前の太陽黄経180度の日付を求める。

UWSC
GETTIME()
DIM year = G_TIME_YY + 1
DIM month = 1
DIM day = 1

REPEAT
	DIM arr = nishiNibun(YMDToJD(year, month, day))
	DIM d = JDToYMD(arr[0])
	year = d[0]
	month = d[1]
	day = d[2]
UNTIL arr[1] = 180

RESIZE(d, 2)
PRINT JOIN(d, "/")

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION nishiNibun(JD)
	// ユリウス日を力学時に変換
	DIM TD = JD - 9/24
	DIM n = 1
	REPEAT
		// 力学時をユリウス世紀に変換
		DIM JC = (TD + 0.5 - 2451545) / 36525
		DIM λsun = longitudeSun(JC)
		IF n = 1 THEN DIM λsun0 = INT(λsun / 90) * 90
		DIM Δλ = λsun - λsun0
		SELECT TRUE
			CASE Δλ > 180
				Δλ = Δλ - 360
			CASE Δλ < -180
				Δλ = Δλ + 180
		SELEND
		DIM Δt = Δλ * (365.2/360)
		TD = TD - Δt
		n = n + 1
	UNTIL ABS(Δt) <= 1/86400
	DIM arr[1]
	arr[0] = TD + 9/24
	arr[1] = λsun0
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
プレーンテキスト
2020/9/22
使用関数

今年の夏至の日付を求める

夏至は太陽黄経が90度なので、翌年1月1日の直前の太陽黄経90度の日付を求める。

UWSC
GETTIME()
DIM year = G_TIME_YY + 1
DIM month = 1
DIM day = 1

REPEAT
	DIM arr = nishiNibun(YMDToJD(year, month, day))
	DIM d = JDToYMD(arr[0])
	year = d[0]
	month = d[1]
	day = d[2]
UNTIL arr[1] = 90

RESIZE(d, 2)
PRINT JOIN(d, "/")

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION nishiNibun(JD)
	// ユリウス日を力学時に変換
	DIM TD = JD - 9/24
	DIM n = 1
	REPEAT
		// 力学時をユリウス世紀に変換
		DIM JC = (TD + 0.5 - 2451545) / 36525
		DIM λsun = longitudeSun(JC)
		IF n = 1 THEN DIM λsun0 = INT(λsun / 90) * 90
		DIM Δλ = λsun - λsun0
		SELECT TRUE
			CASE Δλ > 180
				Δλ = Δλ - 360
			CASE Δλ < -180
				Δλ = Δλ + 180
		SELEND
		DIM Δt = Δλ * (365.2/360)
		TD = TD - Δt
		n = n + 1
	UNTIL ABS(Δt) <= 1/86400
	DIM arr[1]
	arr[0] = TD + 9/24
	arr[1] = λsun0
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
プレーンテキスト
2020/06/21
使用関数

今年の冬至の日付を求める

夏至は太陽黄経が270度なので、翌年1月1日の直前の太陽黄経270度の日付を求める。

UWSC
GETTIME()
DIM year = G_TIME_YY + 1
DIM month = 1
DIM day = 1

REPEAT
	DIM arr = nishiNibun(YMDToJD(year, month, day))
	DIM d = JDToYMD(arr[0])
	year = d[0]
	month = d[1]
	day = d[2]
UNTIL arr[1] = 270

RESIZE(d, 2)
PRINT JOIN(d, "/")

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION nishiNibun(JD)
	// ユリウス日を力学時に変換
	DIM TD = JD - 9/24
	DIM n = 1
	REPEAT
		// 力学時をユリウス世紀に変換
		DIM JC = (TD + 0.5 - 2451545) / 36525
		DIM λsun = longitudeSun(JC)
		IF n = 1 THEN DIM λsun0 = INT(λsun / 90) * 90
		DIM Δλ = λsun - λsun0
		SELECT TRUE
			CASE Δλ > 180
				Δλ = Δλ - 360
			CASE Δλ < -180
				Δλ = Δλ + 180
		SELEND
		DIM Δt = Δλ * (365.2/360)
		TD = TD - Δt
		n = n + 1
	UNTIL ABS(Δt) <= 1/86400
	DIM arr[1]
	arr[0] = TD + 9/24
	arr[1] = λsun0
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
プレーンテキスト
2020/12/21
使用関数

指定した日付の直前の朔の日時を求める

UWSC
DIM JD = saku(YMDToJD(2020, 4, 5))
DIM d = JDToYMD(JD)
PRINT d[0] + "/" + d[1] + "/" + d[2]

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeMoon(JC)
	DIM A[63] = 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0004, 0.0004, 0.0005, 0.0005, 0.0005, 0.0006, 0.0006, 0.0007, 0.0007, 0.0007, 0.0007, 0.0008, 0.0009, 0.0011, 0.0012, 0.0016, 0.0018, 0.0021, 0.0021, 0.0021, 0.0022, 0.0023, 0.0024, 0.0026, 0.0027, 0.0028, 0.0037, 0.0038, 0.004, 0.004, 0.004, 0.005, 0.0052, 0.0068, 0.0079, 0.0085, 0.01, 0.0107, 0.011, 0.0125, 0.0154, 0.0304, 0.0347, 0.0409, 0.0458, 0.0533, 0.0571, 0.0588, 0.1144, 0.1851, 0.2136, 0.6583, 1.274, 6.2888, 481267.8809 * JC, 218.3162
	DIM k[63] = 2322131, 4067, 549197, 1808933, 349472, 381404, 958465, 12006, 39871, 509131, 1745069, 1908795, 2258267, 111869, 27864, 485333, 405201, 790672, 1403732, 858602, 1920802, 1267871, 1856938, 401329, 341337, 71998, 990397, 818536, 922466, 99863, 1379739, 918399, 1934, 541062, 1781068, 133, 1844932, 1331734, 481266, 31932, 926533, 449334, 826671, 1431597, 1303870, 489205, 1443603, 75870, 513197.9, 445267.1, 441199.8, 854535.2, 1367733.1, 377336.3, 63863.5, 966404, 35999, 954397.7, 890534.2, 413335.3, 477198.9, 0, 0
	DIM θ0[63] = 191, 70, 220, 58, 337, 354, 340, 187, 223, 242, 24, 90, 156, 38, 127, 186, 50, 114, 98, 129, 186, 249, 152, 274, 16, 85, 357, 151, 163, 122, 17, 182, 145, 259, 21, 29, 56, 283, 205, 107, 323, 188, 111, 315, 246, 142, 52, 41, 222.5, 27.9, 47.4, 148.2, 280.7, 13.2, 124.2, 276.5, 87.53, 179.93, 145.7, 10.74, 44.963, 0, 0
	DIM λmoon[63]
	FOR n = 0 TO 60
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λmoon[n] = A[n] * COS(degToRad(ang))
	NEXT
	λmoon[61] = normalizeAngle(A[61])
	λmoon[62] = normalizeAngle(A[62])
	RESULT = normalizeAngle(CALCARRAY(λmoon, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION saku(JD)
	DIM lc = 1  // loop counter
	 
	DIM JD1 = INT(JD)
	DIM JD2 = JD - JD1
	 
	JD2 = JD2 - 9/24
	DIM Δt1 = 0
	DIM Δt2 = 1
	WHILE ABS(Δt1+Δt2) > 1/86400
		DIM JC = (JD2 + 0.5) / 36525
		JC = JC + (JD1 - 2451545) / 36525
		DIM λsun = longitudeSun(JC)
		DIM λmoon = longitudeMoon(JC)
		DIM Δλ = λmoon - λsun
		 
		SELECT TRUE
			CASE lc = 1 AND Δλ < 0
				Δλ = normalizeAngle(Δλ)
			CASE λsun >= 0 AND λsun <= 20 AND λmoon >= 300
				Δλ = normalizeAngle(Δλ)
				Δλ = 360 - Δλ
			CASE ABS(Δλ) > 40
				Δλ = normalizeAngle(Δλ)
		SELEND
		 
		Δt1 = INT(Δλ * 29.530589 / 360)
		Δt2 = Δλ * 29.530589 / 360
		Δt2 = Δt2 - Δt1
		
		JD1 = JD1 - Δt1
		JD2 = JD2 - Δt2
		IFB JD2 < 0 THEN
			JD2 = JD2 + 1
			JD1 = JD1 - 1
		ENDIF
		 
		IFB lc = 15 AND ABS(Δt1+Δt2) > 1/86400 THEN
			JD1 = INT(JD - 26)
			JD2 = 0
		ELSEIF lc > 30 AND ABS(Δt1+Δt2) > 1/86400
			JD1 = JD
			JD2 = 0
		ENDIF
		lc = lc + 1
	WEND
	RESULT = JD1 + JD2 + 9/24
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
プレーンテキスト
2020/3/24
使用関数

今年の穀雨の日付を求める

穀雨は太陽黄経30度なので、翌年1月1日から直前の中気を太陽黄経が30度になるまで繰り返す。

UWSC
GETTIME()
DIM year = G_TIME_YY + 1
DIM month = 1
DIM day = 1

REPEAT
	DIM chuki = chuki(YMDToJD(year, month, day))
	DIM d = JDToYMD(chuki[0])
	year = d[0]
	month = d[1]
	day = d[2]
UNTIL ROUND(chuki[1]) = 30

PRINT d[0] + "/" + d[1] + "/" + d[2]

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION chuki(JD)
	JD = JD - 9/24
	DIM t = (JD + 0.5 - 2451545) / 36525
	DIM λsun = longitudeSun(t)
	DIM λsun0 = 30 * INT(λsun/30)
	REPEAT
		t = (JD + 0.5 - 2451545) / 36525
		λsun = longitudeSun(t)
		DIM Δλ = λsun - λsun0
			SELECT TRUE
				CASE Δλ > 180
					Δλ = Δλ - 360
				CASE Δλ < -180
					Δλ = Δλ + 180
			SELEND
		DIM Δt = Δλ * 365.2 / 360
		JD = JD - Δt
	UNTIL Δt <= 1/86400
	JD = JD + 9/24
	DIM arr[1] = JD, λsun
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
プレーンテキスト
2020/4/19
使用関数

今年の十五夜の日付を求める

UWSC
GETTIME()
DIM year = G_TIME_YY + 1
DIM month = 1
DIM day = 1

REPEAT
	DIM JD = saku(YMDToJD(year, month, day))
	DIM d = JDToYMD(JD)
	year = d[0]
	month = d[1]
	day = d[2]
	DIM date = getKyureki(year, month, day)
UNTIL date[2] = 8

RESIZE(d, 2)
arrayMap("text(%val%, <#DBL>00<#DBL>)", d)
date = JOIN(d, "/")
PRINT dateAdd("d", 14, date)

//////////////////////////////////////////////////
// 【引数】
//   callback : 配列の各要素に適用するコールバック関数 
//   array : コールバック関数を適用する配列。参照引数。 
// 【戻り値】
//   
//////////////////////////////////////////////////
PROCEDURE arrayMap(callback, var array[])
	DIM tmp[RESIZE(array)]
	DIM n = 0
	FOR %val% IN array
		tmp[n] = EVAL(callback)
		n = n + 1
	NEXT
	RESIZE(array, RESIZE(tmp))
	FOR n = 0 TO RESIZE(tmp)
		array[n] = tmp[n]
	NEXT
FEND

//////////////////////////////////////////////////
// 【引数】
//   array : 要素を追加する配列(参照引数) 
//   values : 追加する要素をvalue1から指定 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION arrayPush(var array[], value1 = EMPTY, value2 = EMPTY, value3 = EMPTY, value4 = EMPTY, value5 = EMPTY, value6 = EMPTY, value7 = EMPTY, value8 = EMPTY, value9 = EMPTY, value10 = EMPTY, value11 = EMPTY, value12 = EMPTY, value13 = EMPTY, value14 = EMPTY, value15 = EMPTY, value16 = EMPTY)
    DIM i = 1
    WHILE EVAL("value" + i) <> EMPTY
	  DIM res = RESIZE(array, UBound(array) + 1)
	  array[res] = EVAL("value" + i)
	  i = i + 1
	WEND
	RESULT = LENGTH(array)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION chuki(JD)
	JD = JD - 9/24
	DIM t = (JD + 0.5 - 2451545) / 36525
	DIM λsun = longitudeSun(t)
	DIM λsun0 = 30 * INT(λsun/30)
	REPEAT
		t = (JD + 0.5 - 2451545) / 36525
		λsun = longitudeSun(t)
		DIM Δλ = λsun - λsun0
			SELECT TRUE
				CASE Δλ > 180
					Δλ = Δλ - 360
				CASE Δλ < -180
					Δλ = Δλ + 180
			SELEND
		DIM Δt = Δλ * 365.2 / 360
		JD = JD - Δt
	UNTIL Δt <= 1/86400
	JD = JD + 9/24
	DIM arr[1] = JD, λsun
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   interval : 加算する時間間隔を表す文字列式(yyyy:年、m:月、d:日、ww:週、h:時、n:分、s:秒) 
//   num : dateに加算する値。未来は正、過去は負で指定 
//   date : 時間間隔を加算する日付 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION dateAdd(interval, num, date)
	DIM year, month, day, d
	GETTIME(0, date)
	DIM time = G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2
	SELECT interval
		CASE "yyyy"
			d = (G_TIME_YY + num) + "/" + G_TIME_MM2 + "/" + G_TIME_DD2
			IF time <> "00:00:00" THEN d = d + " " + time
		CASE "m"
			IFB num > 0 THEN
				year = G_TIME_YY + INT((G_TIME_MM + num) / 12)
				month = REPLACE(FORMAT(((G_TIME_MM + num) MOD 12), 2), " ", "0")
			ELSE
				year = G_TIME_YY + CEIL((G_TIME_MM + num) / 12 - 1)
				month = REPLACE(FORMAT(G_TIME_MM - (ABS(num) MOD 12), 2), " ", "0")
			ENDIF
			IF month = "00" THEN month = 12
			day = G_TIME_DD2
			d = "" + year + month + day
			IFB !isDate(d) THEN
				d = year + "/" + month + "/" + "01"
				d = getEndOfMonth(d)
			ELSE
				d = year + "/" + month + "/" + day
			ENDIF
			IF time <> "00:00:00" THEN d = d + " " + time
		CASE "d"
			t = GETTIME(num, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "ww"
			t = GETTIME(num * 7, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "h"
			t = GETTIME(num / 24, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "n"
			t = GETTIME(num / 1440, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "s"
			t = GETTIME(num / 86400, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
	SELEND
	RESULT = d
FEND

//////////////////////////////////////////////////
// 【引数】
//   interval : 時間単位(yyyy︰年、q:四半期、m︰月、d︰日、w:週日、ww:週、h:時、n:分、s:秒) 
//   date1 : 日時1 
//   date2 : 日時2 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION dateDiff(interval, date1, date2)
	DIM y1, y2, m1, m2, d1, d2, d
	SELECT interval
		CASE "yyyy"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			GETTIME(0, date2)
			y2 = G_TIME_YY
			d = y2 - y1
		CASE "q"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			m1 = G_TIME_MM
			GETTIME(0, date2)
			y2 = G_TIME_YY
			m2 = G_TIME_MM
			d = y2 * 4 + CEIL(m2/3) - (y1 * 4 + CEIL(m1/3))
		CASE "m"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			m1 = G_TIME_MM
			GETTIME(0, date2)
			y2 = G_TIME_YY
			m2 = G_TIME_MM
			d = (y2 - y1) * 12 + m2 - m1
		CASE "d"
			d1 = GETTIME(0, date1)
			d2 = GETTIME(0, date2)
			d = (d2 - d1) / 86400
		CASE "w"
			d = INT(dateDiff("d", date1, date2) / 7)
		CASE "ww"
			date1 = dateAdd("d", -1 * getWeekday(date1), date1)
			d = INT(dateDiff("d", date1, date2) / 7)
		CASE "h"
			d = dateDiff("d", date1, date2) * 24
		CASE "n"
			d = dateDiff("d", date1, date2) * 1440
		CASE "s"
			d = dateDiff("d", date1, date2) * 86400
	SELEND
	RESULT = d
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   array : 最大公約数を求める数値を格納した配列 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION GCD(array[])
	DIM c = LENGTH(array)
	DIM rem = array[c-1] MOD array[c-2]
	IFB rem = 0 THEN
		IFB LENGTH(array) = 2 THEN
			RESULT = array[c-2]
			EXIT
		ENDIF
		RESIZE(array, c-2)
		RESULT = GCD(array)
		EXIT
	ENDIF
	array[c-1] = array[c-2]
	array[c-2] = rem
	RESULT = GCD(array)
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : 日付(”YYYYMMDD” or “YYYY/MM/DD” or “YYYY-MM-DD” or “YYYYMMDDHHNNSS” or “YYYY/MM/DD HH:NN:SS”) 
//   m : 第一引数の指定日からプラスマイナスm月とする 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getEndOfMonth(date, m = 0)
	date = dateAdd("m", m + 1, date)
	GETTIME(0, date)
	GETTIME(-G_TIME_DD, date)
	RESULT = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getKyureki(year, month, day)
	DIM tm = YMDToJD(year, month, day, 0, 0, 0) 
	DIM chu[-1]  // n*2︰ユリウス日、n*2+1︰Δλsun0、n=0,1,2 
	DIM tmp

	tmp = nishiNibun(tm)
	FOR n = 0 TO UBound(tmp)
		arrayPush(chu, tmp[n])
	NEXT

	// 中気の計算 3回 chu[n]︰n+1回目
	FOR n = 0 TO 2
		tmp = chuki(chu[n*2] + 32)
		FOR n = 0 TO UBound(tmp)
			arrayPush(chu, tmp[n])
		NEXT
	NEXT

	DIM saku[5]
	saku[0] = saku(chu[0])

	// 朔の計算
	FOR n = 1 TO 4
		saku[n] = saku(saku[n-1] + 30)
		IFB ABS(INT(saku[n-1]) - INT(saku[n])) <= 26 THEN
			saku[n] = saku(saku[n-1] + 35)
		ENDIF
	NEXT

	// 朔の修正
	SELECT TRUE
		CASE saku[1] <= INT(chu[0*2+0])
			SHIFTARRAY(saku, -1)
			saku[4] = saku(saku[3] + 35)
		CASE saku[0] > INT(chu[0*2+0])
			SHIFTARRAY(saku, 1)
			saku[0] = saku(saku[0] - 27)
	SELEND

	DIM kyureki[3] // 0︰年、1︰閏月、2︰月、3︰日

	// 閏月検索
	DIM flg = FALSE
	IF INT(saku[4]) <= INT(chu[3*2+0]) THEN flg = TRUE
	DIM m[4][2]
	m[0][0] = INT(chu[0*2+1]/30) + 2
	IF m[0][1] > 12 THEN m[0][0] = m[0][0] - 12
	m[0][2] = INT(saku[0*0+0])
	m[0][1] = ""

	FOR n = 1 TO 4
		IFB flg = TRUE AND n <> 1 THEN
			IFB INT(chu[(n-1)*2+0]) <= INT(saku[n-1]) OR INT(chu[(n-1)*2+0]) >= INT(saku[n]) THEN
				m[n-1][0] = m[n-2][0]
				m[n-1][1] = "閏"
				m[n-1][2] = INT(saku[n-1])
				flg = FALSE
			ENDIF
		ENDIF
		m[n][0] = m[n-1][0] + 1
		IF m[n][0] > 12 THEN m[n][0] = m[n][0] - 12
		m[n][2] = INT(saku[n])
		m[n][1] = ""
	NEXT

	DIM state = 0
	FOR n = 0 TO 4
		IFB INT(tm) < INT(m[n][2]) THEN
			state = 1
			BREAK
		ELSEIF INT(tm) = INT(m[n][2]) THEN
			state = 2
			BREAK
		ENDIF
	NEXT
	IF state = 0 OR state = 1 THEN n = n - 1

	DIM kyureki[3]

	kyureki[1] = m[n][1]
	kyureki[2] = m[n][0]
	kyureki[3] = INT(tm) - INT(m[n][2]) + 1

	d = JDToYMD(tm)
	kyureki[0] = d[0]
	IF kyureki[2] > 9 AND kyureki[2] > d[1] THEN kyureki[0] = kyureki[0] - 1 

	RESULT = SLICE(kyureki)
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : (”YYYYMMDD” or “YYYY/MM/DD” or “YYYY-MM-DD” or “YYYYMMDDHHNNSS” or “YYYY/MM/DD HH:NN:SS”) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getWeekday(date)
	GETTIME(0, date)
	RESULT = G_TIME_WW
FEND

//////////////////////////////////////////////////
// 【引数】
//   数値 : GETTIMEで取得した曜日の番号(G_TIME_WW=0:日曜….6:土曜) 
//   フォーマット : 以下のアルファベットは数値で指定した対応する曜日に置き換えられます。(aaa : 日〜土、aaaa : 日曜日〜土曜日、ddd : Sun〜Sat、dddd : Sunday〜Saturday) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getWeekdayName(num, format = "aaa")
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	DIM aaa[] = "日", "月", "火", "水", "木", "金", "土";
	DIM aaaa[] = "日曜日", "月曜日", "火曜日", "水曜日", "木曜日", "金曜日", "土曜日";
	DIM ddd[] = "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat";
	DIM dddd[] = "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday";
	match = reExecute(format, "(a|d)+")
	type = match.Item(0).Value
	RESULT = reReplace(format, EVAL(type + "[" + num + "]"), type)
FEND

//////////////////////////////////////////////////
// 【引数】
//   serial : 時間を表すシリアル値を指定 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION Hour(serial)
	RESULT = INT(serial * 24) MOD 24
FEND

//////////////////////////////////////////////////
// 【引数】
//   expr : 評価する式 
//   truepart : 評価した式がTrueのときに返す値 
//   falsepart : 評価した式がFalseのときに返す値 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION IIF(expr, truepart, falsepart)
	IFB EVAL(expr) THEN
		RESULT = truepart
	ELSE
		RESULT = falsepart
	ENDIF
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : 存在するかを調べる日付文字列。YYYYMMDD or YYYY/MM/DD or YYYY-MM-DDのいずれかの形式。 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION isDate(date)
	TRY
		GETTIME(0, date)
		RESULT = TRUE
	EXCEPT
		RESULT = FALSE
	ENDTRY
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeMoon(JC)
	DIM A[63] = 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0004, 0.0004, 0.0005, 0.0005, 0.0005, 0.0006, 0.0006, 0.0007, 0.0007, 0.0007, 0.0007, 0.0008, 0.0009, 0.0011, 0.0012, 0.0016, 0.0018, 0.0021, 0.0021, 0.0021, 0.0022, 0.0023, 0.0024, 0.0026, 0.0027, 0.0028, 0.0037, 0.0038, 0.004, 0.004, 0.004, 0.005, 0.0052, 0.0068, 0.0079, 0.0085, 0.01, 0.0107, 0.011, 0.0125, 0.0154, 0.0304, 0.0347, 0.0409, 0.0458, 0.0533, 0.0571, 0.0588, 0.1144, 0.1851, 0.2136, 0.6583, 1.274, 6.2888, 481267.8809 * JC, 218.3162
	DIM k[63] = 2322131, 4067, 549197, 1808933, 349472, 381404, 958465, 12006, 39871, 509131, 1745069, 1908795, 2258267, 111869, 27864, 485333, 405201, 790672, 1403732, 858602, 1920802, 1267871, 1856938, 401329, 341337, 71998, 990397, 818536, 922466, 99863, 1379739, 918399, 1934, 541062, 1781068, 133, 1844932, 1331734, 481266, 31932, 926533, 449334, 826671, 1431597, 1303870, 489205, 1443603, 75870, 513197.9, 445267.1, 441199.8, 854535.2, 1367733.1, 377336.3, 63863.5, 966404, 35999, 954397.7, 890534.2, 413335.3, 477198.9, 0, 0
	DIM θ0[63] = 191, 70, 220, 58, 337, 354, 340, 187, 223, 242, 24, 90, 156, 38, 127, 186, 50, 114, 98, 129, 186, 249, 152, 274, 16, 85, 357, 151, 163, 122, 17, 182, 145, 259, 21, 29, 56, 283, 205, 107, 323, 188, 111, 315, 246, 142, 52, 41, 222.5, 27.9, 47.4, 148.2, 280.7, 13.2, 124.2, 276.5, 87.53, 179.93, 145.7, 10.74, 44.963, 0, 0
	DIM λmoon[63]
	FOR n = 0 TO 60
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λmoon[n] = A[n] * COS(degToRad(ang))
	NEXT
	λmoon[61] = normalizeAngle(A[61])
	λmoon[62] = normalizeAngle(A[62])
	RESULT = normalizeAngle(CALCARRAY(λmoon, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION nishiNibun(JD)
	// ユリウス日を力学時に変換
	DIM TD = JD - 9/24
	DIM n = 1
	REPEAT
		// 力学時をユリウス世紀に変換
		DIM JC = (TD + 0.5 - 2451545) / 36525
		DIM λsun = longitudeSun(JC)
		IF n = 1 THEN DIM λsun0 = INT(λsun / 90) * 90
		DIM Δλ = λsun - λsun0
		SELECT TRUE
			CASE Δλ > 180
				Δλ = Δλ - 360
			CASE Δλ < -180
				Δλ = Δλ + 180
		SELEND
		DIM Δt = Δλ * (365.2/360)
		TD = TD - Δt
		n = n + 1
	UNTIL ABS(Δt) <= 1/86400
	DIM arr[1]
	arr[0] = TD + 9/24
	arr[1] = λsun0
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   str : 正規表現による検索の対象となる文字列 
//   Pattern : 正規表現で使用するパターンを設定 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reExecute(str, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Execute(str)
FEND

//////////////////////////////////////////////////
// 【引数】
//   str1 : 置換される文字列 
//   str2 : 置換後の文字列 
//   Pattern : 置換する文字列のパターン 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reReplace(str1, str2, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Replace(str1, str2)
FEND

//////////////////////////////////////////////////
// 【引数】
//   str : 正規表現による検索の対象となる文字列 
//   Pattern : 正規表現で使用するパターンを設定 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reTest(str, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Test(str)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION saku(JD)
	DIM lc = 1  // loop counter
	 
	DIM JD1 = INT(JD)
	DIM JD2 = JD - JD1
	 
	JD2 = JD2 - 9/24
	DIM Δt1 = 0
	DIM Δt2 = 1
	WHILE ABS(Δt1+Δt2) > 1/86400
		DIM JC = (JD2 + 0.5) / 36525
		JC = JC + (JD1 - 2451545) / 36525
		DIM λsun = longitudeSun(JC)
		DIM λmoon = longitudeMoon(JC)
		DIM Δλ = λmoon - λsun
		 
		SELECT TRUE
			CASE lc = 1 AND Δλ < 0
				Δλ = normalizeAngle(Δλ)
			CASE λsun >= 0 AND λsun <= 20 AND λmoon >= 300
				Δλ = normalizeAngle(Δλ)
				Δλ = 360 - Δλ
			CASE ABS(Δλ) > 40
				Δλ = normalizeAngle(Δλ)
		SELEND
		 
		Δt1 = INT(Δλ * 29.530589 / 360)
		Δt2 = Δλ * 29.530589 / 360
		Δt2 = Δt2 - Δt1
		
		JD1 = JD1 - Δt1
		JD2 = JD2 - Δt2
		IFB JD2 < 0 THEN
			JD2 = JD2 + 1
			JD1 = JD1 - 1
		ENDIF
		 
		IFB lc = 15 AND ABS(Δt1+Δt2) > 1/86400 THEN
			JD1 = INT(JD - 26)
			JD2 = 0
		ELSEIF lc > 30 AND ABS(Δt1+Δt2) > 1/86400
			JD1 = JD
			JD2 = 0
		ENDIF
		lc = lc + 1
	WEND
	RESULT = JD1 + JD2 + 9/24
FEND

//////////////////////////////////////////////////
// 【引数】
//   inputs : 繰り返す文字列 
//   multiplier : inputsを繰り返す回数 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION strRepeat(inputs, multiplier)
	DIM res = ""
	FOR n = 1 TO multiplier
		res = res + inputs
	NEXT
	RESULT = res
FEND

//////////////////////////////////////////////////
// 【引数】
//   serial : シリアル値 
//   format : フォーマット 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION text(serial, format, hour12 = FALSE)
	HASHTBL startDate
	startDate["明治"] = "1868/01/25"
	startDate["大正"] = "1912/07/30"
	startDate["昭和"] = "1926/12/25"
	startDate["平成"] = "1989/01/08"
	startDate["令和"] = "2019/05/01"
	
	DIM baseDate = "1899/12/30"
	
	SELECT TRUE
		CASE reTest(format, "\[h+\]")
			Matches = reExecute(format, "\[(h+)\]")
			DIM hour = iif(hour12, Hour(serial) MOD 12, Hour(serial))
			RESULT = text(hour, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE reTest(format, "^h+$")
			Matches = reExecute(format, "^(h+)$")
			hour = iif(hour12, Hour(serial) MOD 12, Hour(serial))
			RESULT = text(hour MOD 24, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE reTest(format, "\[m+\]")
			Matches = reExecute(format, "\[(m+)\]")
			RESULT = text(serial * 1440, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE format = "m"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_MM, "0")
		CASE format = "mm"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_MM2
		CASE format = "n"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_NN
		CASE format = "nn"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_NN2
		CASE format = "s"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_SS, "0")
		CASE format = "ss"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_SS2
		CASE format = "yyyy"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_YY4
		CASE format = "yy"
			GETTIME(serial, baseDate)
			RESULT = COPY(G_TIME_YY4, 3, 2)
		CASE format = "e"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 2018
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1988
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1925
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1911
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1867
			SELEND
		CASE format = "ee"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 2018, "00")
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1988, "00")
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1925, "00")
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1911, "00")
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1867, "00")
			SELEND
		CASE format = "g"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "R"
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "H"
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "S"
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "T"
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "M"
			SELEND
		CASE format = "gg"
			RESULT = COPY(text(serial, "ggg"), 1, 1)
		CASE format = "ggg"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "令和"
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "平成"
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "昭和"
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "大正"
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "明治"
			SELEND
		CASE format = "mmmmm"
			RESULT = COPY(text(serial, "mmmm"), 1, 1)
		CASE format = "mmmm"
			DIM month[] = "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
			RESULT = month[text(serial, "m") - 1]
		CASE format = "mmm"
			RESULT = COPY(text(serial, "mmmm"), 1, 3)
		CASE format = "dd"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_DD2, "00")
		CASE format = "d"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_DD, "0")
		CASE reTest(format, "^[ad]{3,4}$")
			Matches = reExecute(format, "([ad]{3,4})")
			GETTIME(serial, baseDate)
			RESULT = getWeekdayName(G_TIME_WW, Matches.Item(0).SubMatches(0))
		CASE reTest(format, "(0+\.?0+)?%")
			Matches = reExecute(format, "(0+\.?0+)?%")
			RESULT = text(serial * 100, Matches.Item(0).SubMatches(0)) + "%"
		CASE reTest(format, "^\[DBNum\d{1,4}\](.*?)$")
			Matches = reExecute(format, "^\[DBNum(\d{1,4})\](.*?)$")
			DIM value = VAL(Matches.Item(0).SubMatches(0))
			DIM sss = text(serial, Matches.Item(0).SubMatches(1))
			Matches = reExecute(sss, "(\D+)?(\d+)(\D+)?")
			DIM res = ""
			FOR m = 0 TO Matches.Count - 1
				serial = Matches.Item(m).SubMatches(1)
				SELECT value
					CASE 1, 2
						DIM n[][9] = "〇", "一", "二", "三", "四", "五", "六", "七", "八", "九", + _
										"", "壱", "弐", "参", "四", "伍", "六", "七", "八", "九"
						DIM a[][3] = "", "十", "百", "千", + _
										"", "拾", "百", "阡"
						DIM b[][3] = "", "万", "億", "兆", + _
										"", "萬", "億", "兆"
						DIM r = ""
						DIM j = 0
						type = value - 1
						REPEAT
							DIM str = ""
							DIM n4 = serial MOD 10000
							FOR i = LENGTH(n4) TO 1 STEP -1
								s = COPY(n4, i, 1)
								IFB s = 1 AND a[type][LENGTH(n4)-i] <> "" THEN
									str = IIF(s, a[type][LENGTH(n4)-i], "") + str
								ELSE	
									str = n[type][s] + IIF(s, a[type][LENGTH(n4)-i], "") + str
								ENDIF
							NEXT
							IF str <> "" THEN r = str + b[type][j] + r
							j = j + 1
							serial = INT(serial / 10000)
						UNTIL serial = 0
						res = res + Matches.Item(m).SubMatches(0) + r + Matches.Item(m).SubMatches(2)
					CASE 3
						res = res + Matches.Item(m).SubMatches(0) + STRCONV(serial, SC_FULLWIDTH) + Matches.Item(m).SubMatches(2)
					CASE 4
						res = res + Matches.Item(m).SubMatches(0) + STRCONV(serial, SC_HALFWIDTH) + Matches.Item(m).SubMatches(2)
				SELEND
			NEXT
			RESULT = res
		CASE reTest(format, "^(.*?)(AM\/PM|am\/pm|A\/P|a\/p)(.*?)$")
			Matches = reExecute(format, "^(.*?)(AM\/PM|am\/pm|A\/P|a\/p)(.*?)$")
			DIM array = SPLIT(Matches.Item(0).SubMatches(1), "/")
			ampm = array[IIF(serial - INT(serial) >= 0.5, 1, 0)]
			hour12 = TRUE
			res = ""
			WITH Matches.Item(0)
				res = text(serial, .SubMatches(0), hour12) + ampm + text(serial, .SubMatches(2), hour12)
			ENDWITH
			RESULT = res
		CASE reTest(format, "([^ymdagehns]{0,})?(([ymdagehns])\3{0,})([^ymdagehns]+)?")
			Matches = reExecute(format, "([^ymdagehns]{0,})?(([ymdagehns])\3{0,})([^ymdagehns]+)?")
			FOR n = 0 TO Matches.Count - 1
				IF n = 0 THEN res = Matches.Item(n).SubMatches(0)
			NEXT
			FOR n = 0 TO Matches.Count - 1
				WITH Matches.Item(n)
					res = res + text(serial, .SubMatches(1), hour12) + .SubMatches(3)
				ENDWITH
			NEXT
			RESULT = res
		CASE format = "0/0"
			DIM separator = POS(".", serial)
			DIM g = 0
			IFB separator <> 0 THEN
				DIM keta = LENGTH(serial)
				DIM shift = POWER(10, keta - separator)
				IFB shift >= POWER(10, 15) THEN
					DIM position = 0
					FOR i = 0 TO 14
						IFB serial * POWER(10, i) - serial >= 1 THEN
							position = i
							BREAK
						ENDIF
					NEXT
					tmp = serial * POWER(10, position)
					FOR i = 1 TO 15
						r = (tmp * POWER(10, i)) / serial - (tmp / serial)
						a1 = tmp * POWER(10, i) - tmp
						IF a1 = INT(a1) THEN BREAK 
					NEXT
					DIM frac[] = a1, r
					g = GCD(frac)
					RESULT = (a1/g) + "/" + (r/g)
				ELSE
					DIM molecule = serial * shift	// 分子
					DIM denominator = shift		// 分母
					DIM nums[] = molecule, denominator
					g = GCD(nums)
					molecule = molecule / g
					denominator = denominator / g
					RESULT = molecule + "/" + denominator
				ENDIF
			ELSE
				RESULT = serial + "/1"
			ENDIF
		CASE reTest(format, "(0+)\.?(0+)?") AND UBound(SPLIT(format, ".")) <= 1 
			Matches = reExecute(format, "(0+)\.?(0+)?")
			len1 = LENGTH(Matches.Item(0).SubMatches(0))
			len2 = LENGTH(Matches.Item(0).SubMatches(1))
			DIM arr[] = LENGTH(INT(serial)), len1
			IFB POS(".", format) THEN
				RESULT = REPLACE(FORMAT(serial, CALCARRAY(arr, CALC_MAX) + len2 + 1, len2), " ", "0")
			ELSE
				RESULT = REPLACE(FORMAT(serial, CALCARRAY(arr, CALC_MAX)), " ", "0")
			ENDIF
	SELEND
FEND

//////////////////////////////////////////////////
// 【引数】
//   arrayname : 上限値を求める配列の名前 
//   dimension : 返す次元を示す整数 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION UBound(arrayname[], dimension = 1)
	RESULT = EVAL("RESIZE(arrayname" + strRepeat("[0]", dimension - 1) + ")")
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
プレーンテキスト
2020/10/01
使用関数

今年の春彼岸の日付を求める

翌年1月1日の直前の太陽黄経0度の日付(春分の日)を求め、その日を中日とする前後3を合わせた7日間を求める。

UWSC
GETTIME()
DIM year = G_TIME_YY + 1
DIM month = 1
DIM day = 1

REPEAT
	DIM chuki = chuki(YMDToJD(year, month, day))
	DIM d = JDToYMD(chuki[0])
	year = d[0]
	month = d[1]
	day = d[2]
UNTIL normalizeAngle(ROUND(chuki[1])) = 0

RESIZE(d, 2)
arrayMap("text(%val%, <#DBL>00<#DBL>)", d)
date = JOIN(d, "/")
PRINT "彼岸入り:" + dateAdd("d", -3, date)
PRINT "春分の日:" + date
PRINT "彼岸明け:" + dateAdd("d", 3, date)

//////////////////////////////////////////////////
// 【引数】
//   callback : 配列の各要素に適用するコールバック関数 
//   array : コールバック関数を適用する配列。参照引数。 
// 【戻り値】
//   
//////////////////////////////////////////////////
PROCEDURE arrayMap(callback, var array[])
	DIM tmp[RESIZE(array)]
	DIM n = 0
	FOR %val% IN array
		tmp[n] = EVAL(callback)
		n = n + 1
	NEXT
	RESIZE(array, RESIZE(tmp))
	FOR n = 0 TO RESIZE(tmp)
		array[n] = tmp[n]
	NEXT
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION chuki(JD)
	JD = JD - 9/24
	DIM t = (JD + 0.5 - 2451545) / 36525
	DIM λsun = longitudeSun(t)
	DIM λsun0 = 30 * INT(λsun/30)
	REPEAT
		t = (JD + 0.5 - 2451545) / 36525
		λsun = longitudeSun(t)
		DIM Δλ = λsun - λsun0
			SELECT TRUE
				CASE Δλ > 180
					Δλ = Δλ - 360
				CASE Δλ < -180
					Δλ = Δλ + 180
			SELEND
		DIM Δt = Δλ * 365.2 / 360
		JD = JD - Δt
	UNTIL Δt <= 1/86400
	JD = JD + 9/24
	DIM arr[1] = JD, λsun
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   interval : 加算する時間間隔を表す文字列式(yyyy:年、m:月、d:日、ww:週、h:時、n:分、s:秒) 
//   num : dateに加算する値。未来は正、過去は負で指定 
//   date : 時間間隔を加算する日付 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION dateAdd(interval, num, date)
	DIM year, month, day, d
	GETTIME(0, date)
	DIM time = G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2
	SELECT interval
		CASE "yyyy"
			d = (G_TIME_YY + num) + "/" + G_TIME_MM2 + "/" + G_TIME_DD2
			IF time <> "00:00:00" THEN d = d + " " + time
		CASE "m"
			IFB num > 0 THEN
				year = G_TIME_YY + INT((G_TIME_MM + num) / 12)
				month = REPLACE(FORMAT(((G_TIME_MM + num) MOD 12), 2), " ", "0")
			ELSE
				year = G_TIME_YY + CEIL((G_TIME_MM + num) / 12 - 1)
				month = REPLACE(FORMAT(G_TIME_MM - (ABS(num) MOD 12), 2), " ", "0")
			ENDIF
			IF month = "00" THEN month = 12
			day = G_TIME_DD2
			d = "" + year + month + day
			IFB !isDate(d) THEN
				d = year + "/" + month + "/" + "01"
				d = getEndOfMonth(d)
			ELSE
				d = year + "/" + month + "/" + day
			ENDIF
			IF time <> "00:00:00" THEN d = d + " " + time
		CASE "d"
			t = GETTIME(num, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "ww"
			t = GETTIME(num * 7, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "h"
			t = GETTIME(num / 24, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "n"
			t = GETTIME(num / 1440, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "s"
			t = GETTIME(num / 86400, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
	SELEND
	RESULT = d
FEND

//////////////////////////////////////////////////
// 【引数】
//   interval : 時間単位(yyyy︰年、q:四半期、m︰月、d︰日、w:週日、ww:週、h:時、n:分、s:秒) 
//   date1 : 日時1 
//   date2 : 日時2 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION dateDiff(interval, date1, date2)
	DIM y1, y2, m1, m2, d1, d2, d
	SELECT interval
		CASE "yyyy"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			GETTIME(0, date2)
			y2 = G_TIME_YY
			d = y2 - y1
		CASE "q"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			m1 = G_TIME_MM
			GETTIME(0, date2)
			y2 = G_TIME_YY
			m2 = G_TIME_MM
			d = y2 * 4 + CEIL(m2/3) - (y1 * 4 + CEIL(m1/3))
		CASE "m"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			m1 = G_TIME_MM
			GETTIME(0, date2)
			y2 = G_TIME_YY
			m2 = G_TIME_MM
			d = (y2 - y1) * 12 + m2 - m1
		CASE "d"
			d1 = GETTIME(0, date1)
			d2 = GETTIME(0, date2)
			d = (d2 - d1) / 86400
		CASE "w"
			d = INT(dateDiff("d", date1, date2) / 7)
		CASE "ww"
			date1 = dateAdd("d", -1 * getWeekday(date1), date1)
			d = INT(dateDiff("d", date1, date2) / 7)
		CASE "h"
			d = dateDiff("d", date1, date2) * 24
		CASE "n"
			d = dateDiff("d", date1, date2) * 1440
		CASE "s"
			d = dateDiff("d", date1, date2) * 86400
	SELEND
	RESULT = d
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   array : 最大公約数を求める数値を格納した配列 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION GCD(array[])
	DIM c = LENGTH(array)
	DIM rem = array[c-1] MOD array[c-2]
	IFB rem = 0 THEN
		IFB LENGTH(array) = 2 THEN
			RESULT = array[c-2]
			EXIT
		ENDIF
		RESIZE(array, c-2)
		RESULT = GCD(array)
		EXIT
	ENDIF
	array[c-1] = array[c-2]
	array[c-2] = rem
	RESULT = GCD(array)
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : 日付(”YYYYMMDD” or “YYYY/MM/DD” or “YYYY-MM-DD” or “YYYYMMDDHHNNSS” or “YYYY/MM/DD HH:NN:SS”) 
//   m : 第一引数の指定日からプラスマイナスm月とする 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getEndOfMonth(date, m = 0)
	date = dateAdd("m", m + 1, date)
	GETTIME(0, date)
	GETTIME(-G_TIME_DD, date)
	RESULT = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : (”YYYYMMDD” or “YYYY/MM/DD” or “YYYY-MM-DD” or “YYYYMMDDHHNNSS” or “YYYY/MM/DD HH:NN:SS”) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getWeekday(date)
	GETTIME(0, date)
	RESULT = G_TIME_WW
FEND

//////////////////////////////////////////////////
// 【引数】
//   数値 : GETTIMEで取得した曜日の番号(G_TIME_WW=0:日曜….6:土曜) 
//   フォーマット : 以下のアルファベットは数値で指定した対応する曜日に置き換えられます。(aaa : 日〜土、aaaa : 日曜日〜土曜日、ddd : Sun〜Sat、dddd : Sunday〜Saturday) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getWeekdayName(num, format = "aaa")
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	DIM aaa[] = "日", "月", "火", "水", "木", "金", "土";
	DIM aaaa[] = "日曜日", "月曜日", "火曜日", "水曜日", "木曜日", "金曜日", "土曜日";
	DIM ddd[] = "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat";
	DIM dddd[] = "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday";
	match = reExecute(format, "(a|d)+")
	type = match.Item(0).Value
	RESULT = reReplace(format, EVAL(type + "[" + num + "]"), type)
FEND

//////////////////////////////////////////////////
// 【引数】
//   serial : 時間を表すシリアル値を指定 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION Hour(serial)
	RESULT = INT(serial * 24) MOD 24
FEND

//////////////////////////////////////////////////
// 【引数】
//   expr : 評価する式 
//   truepart : 評価した式がTrueのときに返す値 
//   falsepart : 評価した式がFalseのときに返す値 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION IIF(expr, truepart, falsepart)
	IFB EVAL(expr) THEN
		RESULT = truepart
	ELSE
		RESULT = falsepart
	ENDIF
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : 存在するかを調べる日付文字列。YYYYMMDD or YYYY/MM/DD or YYYY-MM-DDのいずれかの形式。 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION isDate(date)
	TRY
		GETTIME(0, date)
		RESULT = TRUE
	EXCEPT
		RESULT = FALSE
	ENDTRY
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   str : 正規表現による検索の対象となる文字列 
//   Pattern : 正規表現で使用するパターンを設定 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reExecute(str, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Execute(str)
FEND

//////////////////////////////////////////////////
// 【引数】
//   str1 : 置換される文字列 
//   str2 : 置換後の文字列 
//   Pattern : 置換する文字列のパターン 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reReplace(str1, str2, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Replace(str1, str2)
FEND

//////////////////////////////////////////////////
// 【引数】
//   str : 正規表現による検索の対象となる文字列 
//   Pattern : 正規表現で使用するパターンを設定 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reTest(str, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Test(str)
FEND

//////////////////////////////////////////////////
// 【引数】
//   inputs : 繰り返す文字列 
//   multiplier : inputsを繰り返す回数 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION strRepeat(inputs, multiplier)
	DIM res = ""
	FOR n = 1 TO multiplier
		res = res + inputs
	NEXT
	RESULT = res
FEND

//////////////////////////////////////////////////
// 【引数】
//   serial : シリアル値 
//   format : フォーマット 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION text(serial, format, hour12 = FALSE)
	HASHTBL startDate
	startDate["明治"] = "1868/01/25"
	startDate["大正"] = "1912/07/30"
	startDate["昭和"] = "1926/12/25"
	startDate["平成"] = "1989/01/08"
	startDate["令和"] = "2019/05/01"
	
	DIM baseDate = "1899/12/30"
	
	SELECT TRUE
		CASE reTest(format, "\[h+\]")
			Matches = reExecute(format, "\[(h+)\]")
			DIM hour = iif(hour12, Hour(serial) MOD 12, Hour(serial))
			RESULT = text(hour, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE reTest(format, "^h+$")
			Matches = reExecute(format, "^(h+)$")
			hour = iif(hour12, Hour(serial) MOD 12, Hour(serial))
			RESULT = text(hour MOD 24, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE reTest(format, "\[m+\]")
			Matches = reExecute(format, "\[(m+)\]")
			RESULT = text(serial * 1440, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE format = "m"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_MM, "0")
		CASE format = "mm"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_MM2
		CASE format = "n"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_NN
		CASE format = "nn"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_NN2
		CASE format = "s"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_SS, "0")
		CASE format = "ss"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_SS2
		CASE format = "yyyy"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_YY4
		CASE format = "yy"
			GETTIME(serial, baseDate)
			RESULT = COPY(G_TIME_YY4, 3, 2)
		CASE format = "e"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 2018
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1988
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1925
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1911
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1867
			SELEND
		CASE format = "ee"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 2018, "00")
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1988, "00")
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1925, "00")
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1911, "00")
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1867, "00")
			SELEND
		CASE format = "g"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "R"
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "H"
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "S"
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "T"
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "M"
			SELEND
		CASE format = "gg"
			RESULT = COPY(text(serial, "ggg"), 1, 1)
		CASE format = "ggg"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "令和"
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "平成"
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "昭和"
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "大正"
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "明治"
			SELEND
		CASE format = "mmmmm"
			RESULT = COPY(text(serial, "mmmm"), 1, 1)
		CASE format = "mmmm"
			DIM month[] = "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
			RESULT = month[text(serial, "m") - 1]
		CASE format = "mmm"
			RESULT = COPY(text(serial, "mmmm"), 1, 3)
		CASE format = "dd"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_DD2, "00")
		CASE format = "d"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_DD, "0")
		CASE reTest(format, "^[ad]{3,4}$")
			Matches = reExecute(format, "([ad]{3,4})")
			GETTIME(serial, baseDate)
			RESULT = getWeekdayName(G_TIME_WW, Matches.Item(0).SubMatches(0))
		CASE reTest(format, "(0+\.?0+)?%")
			Matches = reExecute(format, "(0+\.?0+)?%")
			RESULT = text(serial * 100, Matches.Item(0).SubMatches(0)) + "%"
		CASE reTest(format, "^\[DBNum\d{1,4}\](.*?)$")
			Matches = reExecute(format, "^\[DBNum(\d{1,4})\](.*?)$")
			DIM value = VAL(Matches.Item(0).SubMatches(0))
			DIM sss = text(serial, Matches.Item(0).SubMatches(1))
			Matches = reExecute(sss, "(\D+)?(\d+)(\D+)?")
			DIM res = ""
			FOR m = 0 TO Matches.Count - 1
				serial = Matches.Item(m).SubMatches(1)
				SELECT value
					CASE 1, 2
						DIM n[][9] = "〇", "一", "二", "三", "四", "五", "六", "七", "八", "九", + _
										"", "壱", "弐", "参", "四", "伍", "六", "七", "八", "九"
						DIM a[][3] = "", "十", "百", "千", + _
										"", "拾", "百", "阡"
						DIM b[][3] = "", "万", "億", "兆", + _
										"", "萬", "億", "兆"
						DIM r = ""
						DIM j = 0
						type = value - 1
						REPEAT
							DIM str = ""
							DIM n4 = serial MOD 10000
							FOR i = LENGTH(n4) TO 1 STEP -1
								s = COPY(n4, i, 1)
								IFB s = 1 AND a[type][LENGTH(n4)-i] <> "" THEN
									str = IIF(s, a[type][LENGTH(n4)-i], "") + str
								ELSE	
									str = n[type][s] + IIF(s, a[type][LENGTH(n4)-i], "") + str
								ENDIF
							NEXT
							IF str <> "" THEN r = str + b[type][j] + r
							j = j + 1
							serial = INT(serial / 10000)
						UNTIL serial = 0
						res = res + Matches.Item(m).SubMatches(0) + r + Matches.Item(m).SubMatches(2)
					CASE 3
						res = res + Matches.Item(m).SubMatches(0) + STRCONV(serial, SC_FULLWIDTH) + Matches.Item(m).SubMatches(2)
					CASE 4
						res = res + Matches.Item(m).SubMatches(0) + STRCONV(serial, SC_HALFWIDTH) + Matches.Item(m).SubMatches(2)
				SELEND
			NEXT
			RESULT = res
		CASE reTest(format, "^(.*?)(AM\/PM|am\/pm|A\/P|a\/p)(.*?)$")
			Matches = reExecute(format, "^(.*?)(AM\/PM|am\/pm|A\/P|a\/p)(.*?)$")
			DIM array = SPLIT(Matches.Item(0).SubMatches(1), "/")
			ampm = array[IIF(serial - INT(serial) >= 0.5, 1, 0)]
			hour12 = TRUE
			res = ""
			WITH Matches.Item(0)
				res = text(serial, .SubMatches(0), hour12) + ampm + text(serial, .SubMatches(2), hour12)
			ENDWITH
			RESULT = res
		CASE reTest(format, "([^ymdagehns]{0,})?(([ymdagehns])\3{0,})([^ymdagehns]+)?")
			Matches = reExecute(format, "([^ymdagehns]{0,})?(([ymdagehns])\3{0,})([^ymdagehns]+)?")
			FOR n = 0 TO Matches.Count - 1
				IF n = 0 THEN res = Matches.Item(n).SubMatches(0)
			NEXT
			FOR n = 0 TO Matches.Count - 1
				WITH Matches.Item(n)
					res = res + text(serial, .SubMatches(1), hour12) + .SubMatches(3)
				ENDWITH
			NEXT
			RESULT = res
		CASE format = "0/0"
			DIM separator = POS(".", serial)
			DIM g = 0
			IFB separator <> 0 THEN
				DIM keta = LENGTH(serial)
				DIM shift = POWER(10, keta - separator)
				IFB shift >= POWER(10, 15) THEN
					DIM position = 0
					FOR i = 0 TO 14
						IFB serial * POWER(10, i) - serial >= 1 THEN
							position = i
							BREAK
						ENDIF
					NEXT
					tmp = serial * POWER(10, position)
					FOR i = 1 TO 15
						r = (tmp * POWER(10, i)) / serial - (tmp / serial)
						a1 = tmp * POWER(10, i) - tmp
						IF a1 = INT(a1) THEN BREAK 
					NEXT
					DIM frac[] = a1, r
					g = GCD(frac)
					RESULT = (a1/g) + "/" + (r/g)
				ELSE
					DIM molecule = serial * shift	// 分子
					DIM denominator = shift		// 分母
					DIM nums[] = molecule, denominator
					g = GCD(nums)
					molecule = molecule / g
					denominator = denominator / g
					RESULT = molecule + "/" + denominator
				ENDIF
			ELSE
				RESULT = serial + "/1"
			ENDIF
		CASE reTest(format, "(0+)\.?(0+)?") AND UBound(SPLIT(format, ".")) <= 1 
			Matches = reExecute(format, "(0+)\.?(0+)?")
			len1 = LENGTH(Matches.Item(0).SubMatches(0))
			len2 = LENGTH(Matches.Item(0).SubMatches(1))
			DIM arr[] = LENGTH(INT(serial)), len1
			IFB POS(".", format) THEN
				RESULT = REPLACE(FORMAT(serial, CALCARRAY(arr, CALC_MAX) + len2 + 1, len2), " ", "0")
			ELSE
				RESULT = REPLACE(FORMAT(serial, CALCARRAY(arr, CALC_MAX)), " ", "0")
			ENDIF
	SELEND
FEND

//////////////////////////////////////////////////
// 【引数】
//   arrayname : 上限値を求める配列の名前 
//   dimension : 返す次元を示す整数 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION UBound(arrayname[], dimension = 1)
	RESULT = EVAL("RESIZE(arrayname" + strRepeat("[0]", dimension - 1) + ")")
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
CSV
彼岸入り:   2020/03/17
春分の日:   2020/03/20
彼岸明け:   2020/03/23
使用関数

今年の秋彼岸の日付を求める

翌年1月1日の直前の太陽黄経180度の日付(秋分の日)を求め、その日を中日とする前後3日を合わせた7日間を求める。

UWSC
GETTIME()
DIM year = G_TIME_YY + 1
DIM month = 1
DIM day = 1

REPEAT
	DIM chuki = chuki(YMDToJD(year, month, day))
	DIM d = JDToYMD(chuki[0])
	year = d[0]
	month = d[1]
	day = d[2]
UNTIL normalizeAngle(ROUND(chuki[1])) = 180

RESIZE(d, 2)
arrayMap("text(%val%, <#DBL>00<#DBL>)", d)
date = JOIN(d, "/")
PRINT "彼岸入り:" + dateAdd("d", -3, date)
PRINT "秋分の日:" + date
PRINT "彼岸明け:" + dateAdd("d", 3, date)

//////////////////////////////////////////////////
// 【引数】
//   callback : 配列の各要素に適用するコールバック関数 
//   array : コールバック関数を適用する配列。参照引数。 
// 【戻り値】
//   
//////////////////////////////////////////////////
PROCEDURE arrayMap(callback, var array[])
	DIM tmp[RESIZE(array)]
	DIM n = 0
	FOR %val% IN array
		tmp[n] = EVAL(callback)
		n = n + 1
	NEXT
	RESIZE(array, RESIZE(tmp))
	FOR n = 0 TO RESIZE(tmp)
		array[n] = tmp[n]
	NEXT
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION chuki(JD)
	JD = JD - 9/24
	DIM t = (JD + 0.5 - 2451545) / 36525
	DIM λsun = longitudeSun(t)
	DIM λsun0 = 30 * INT(λsun/30)
	REPEAT
		t = (JD + 0.5 - 2451545) / 36525
		λsun = longitudeSun(t)
		DIM Δλ = λsun - λsun0
			SELECT TRUE
				CASE Δλ > 180
					Δλ = Δλ - 360
				CASE Δλ < -180
					Δλ = Δλ + 180
			SELEND
		DIM Δt = Δλ * 365.2 / 360
		JD = JD - Δt
	UNTIL Δt <= 1/86400
	JD = JD + 9/24
	DIM arr[1] = JD, λsun
	RESULT = SLICE(arr)
FEND

//////////////////////////////////////////////////
// 【引数】
//   interval : 加算する時間間隔を表す文字列式(yyyy:年、m:月、d:日、ww:週、h:時、n:分、s:秒) 
//   num : dateに加算する値。未来は正、過去は負で指定 
//   date : 時間間隔を加算する日付 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION dateAdd(interval, num, date)
	DIM year, month, day, d
	GETTIME(0, date)
	DIM time = G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2
	SELECT interval
		CASE "yyyy"
			d = (G_TIME_YY + num) + "/" + G_TIME_MM2 + "/" + G_TIME_DD2
			IF time <> "00:00:00" THEN d = d + " " + time
		CASE "m"
			IFB num > 0 THEN
				year = G_TIME_YY + INT((G_TIME_MM + num) / 12)
				month = REPLACE(FORMAT(((G_TIME_MM + num) MOD 12), 2), " ", "0")
			ELSE
				year = G_TIME_YY + CEIL((G_TIME_MM + num) / 12 - 1)
				month = REPLACE(FORMAT(G_TIME_MM - (ABS(num) MOD 12), 2), " ", "0")
			ENDIF
			IF month = "00" THEN month = 12
			day = G_TIME_DD2
			d = "" + year + month + day
			IFB !isDate(d) THEN
				d = year + "/" + month + "/" + "01"
				d = getEndOfMonth(d)
			ELSE
				d = year + "/" + month + "/" + day
			ENDIF
			IF time <> "00:00:00" THEN d = d + " " + time
		CASE "d"
			t = GETTIME(num, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "ww"
			t = GETTIME(num * 7, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "h"
			t = GETTIME(num / 24, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "n"
			t = GETTIME(num / 1440, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
		CASE "s"
			t = GETTIME(num / 86400, date)
			d = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2 + IIF(t MOD 86400, " " + G_TIME_HH2 + ":" + G_TIME_NN2 + ":" + G_TIME_SS2, "")
	SELEND
	RESULT = d
FEND

//////////////////////////////////////////////////
// 【引数】
//   interval : 時間単位(yyyy︰年、q:四半期、m︰月、d︰日、w:週日、ww:週、h:時、n:分、s:秒) 
//   date1 : 日時1 
//   date2 : 日時2 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION dateDiff(interval, date1, date2)
	DIM y1, y2, m1, m2, d1, d2, d
	SELECT interval
		CASE "yyyy"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			GETTIME(0, date2)
			y2 = G_TIME_YY
			d = y2 - y1
		CASE "q"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			m1 = G_TIME_MM
			GETTIME(0, date2)
			y2 = G_TIME_YY
			m2 = G_TIME_MM
			d = y2 * 4 + CEIL(m2/3) - (y1 * 4 + CEIL(m1/3))
		CASE "m"
			GETTIME(0, date1)
			y1 = G_TIME_YY
			m1 = G_TIME_MM
			GETTIME(0, date2)
			y2 = G_TIME_YY
			m2 = G_TIME_MM
			d = (y2 - y1) * 12 + m2 - m1
		CASE "d"
			d1 = GETTIME(0, date1)
			d2 = GETTIME(0, date2)
			d = (d2 - d1) / 86400
		CASE "w"
			d = INT(dateDiff("d", date1, date2) / 7)
		CASE "ww"
			date1 = dateAdd("d", -1 * getWeekday(date1), date1)
			d = INT(dateDiff("d", date1, date2) / 7)
		CASE "h"
			d = dateDiff("d", date1, date2) * 24
		CASE "n"
			d = dateDiff("d", date1, date2) * 1440
		CASE "s"
			d = dateDiff("d", date1, date2) * 86400
	SELEND
	RESULT = d
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   array : 最大公約数を求める数値を格納した配列 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION GCD(array[])
	DIM c = LENGTH(array)
	DIM rem = array[c-1] MOD array[c-2]
	IFB rem = 0 THEN
		IFB LENGTH(array) = 2 THEN
			RESULT = array[c-2]
			EXIT
		ENDIF
		RESIZE(array, c-2)
		RESULT = GCD(array)
		EXIT
	ENDIF
	array[c-1] = array[c-2]
	array[c-2] = rem
	RESULT = GCD(array)
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : 日付(”YYYYMMDD” or “YYYY/MM/DD” or “YYYY-MM-DD” or “YYYYMMDDHHNNSS” or “YYYY/MM/DD HH:NN:SS”) 
//   m : 第一引数の指定日からプラスマイナスm月とする 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getEndOfMonth(date, m = 0)
	date = dateAdd("m", m + 1, date)
	GETTIME(0, date)
	GETTIME(-G_TIME_DD, date)
	RESULT = G_TIME_YY4 + "/" + G_TIME_MM2 + "/" + G_TIME_DD2
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : (”YYYYMMDD” or “YYYY/MM/DD” or “YYYY-MM-DD” or “YYYYMMDDHHNNSS” or “YYYY/MM/DD HH:NN:SS”) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getWeekday(date)
	GETTIME(0, date)
	RESULT = G_TIME_WW
FEND

//////////////////////////////////////////////////
// 【引数】
//   数値 : GETTIMEで取得した曜日の番号(G_TIME_WW=0:日曜….6:土曜) 
//   フォーマット : 以下のアルファベットは数値で指定した対応する曜日に置き換えられます。(aaa : 日〜土、aaaa : 日曜日〜土曜日、ddd : Sun〜Sat、dddd : Sunday〜Saturday) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION getWeekdayName(num, format = "aaa")
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	DIM aaa[] = "日", "月", "火", "水", "木", "金", "土";
	DIM aaaa[] = "日曜日", "月曜日", "火曜日", "水曜日", "木曜日", "金曜日", "土曜日";
	DIM ddd[] = "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat";
	DIM dddd[] = "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday";
	match = reExecute(format, "(a|d)+")
	type = match.Item(0).Value
	RESULT = reReplace(format, EVAL(type + "[" + num + "]"), type)
FEND

//////////////////////////////////////////////////
// 【引数】
//   serial : 時間を表すシリアル値を指定 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION Hour(serial)
	RESULT = INT(serial * 24) MOD 24
FEND

//////////////////////////////////////////////////
// 【引数】
//   expr : 評価する式 
//   truepart : 評価した式がTrueのときに返す値 
//   falsepart : 評価した式がFalseのときに返す値 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION IIF(expr, truepart, falsepart)
	IFB EVAL(expr) THEN
		RESULT = truepart
	ELSE
		RESULT = falsepart
	ENDIF
FEND

//////////////////////////////////////////////////
// 【引数】
//   date : 存在するかを調べる日付文字列。YYYYMMDD or YYYY/MM/DD or YYYY-MM-DDのいずれかの形式。 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION isDate(date)
	TRY
		GETTIME(0, date)
		RESULT = TRUE
	EXCEPT
		RESULT = FALSE
	ENDTRY
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   str : 正規表現による検索の対象となる文字列 
//   Pattern : 正規表現で使用するパターンを設定 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reExecute(str, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Execute(str)
FEND

//////////////////////////////////////////////////
// 【引数】
//   str1 : 置換される文字列 
//   str2 : 置換後の文字列 
//   Pattern : 置換する文字列のパターン 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reReplace(str1, str2, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Replace(str1, str2)
FEND

//////////////////////////////////////////////////
// 【引数】
//   str : 正規表現による検索の対象となる文字列 
//   Pattern : 正規表現で使用するパターンを設定 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION reTest(str, Pattern, IgnoreCase = TRUE, Global = TRUE)
	DIM re = CREATEOLEOBJ("VBScript.RegExp")
	re.Pattern = Pattern
	re.IgnoreCase = IgnoreCase
	re.Global = Global
	RESULT = re.Test(str)
FEND

//////////////////////////////////////////////////
// 【引数】
//   inputs : 繰り返す文字列 
//   multiplier : inputsを繰り返す回数 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION strRepeat(inputs, multiplier)
	DIM res = ""
	FOR n = 1 TO multiplier
		res = res + inputs
	NEXT
	RESULT = res
FEND

//////////////////////////////////////////////////
// 【引数】
//   serial : シリアル値 
//   format : フォーマット 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION text(serial, format, hour12 = FALSE)
	HASHTBL startDate
	startDate["明治"] = "1868/01/25"
	startDate["大正"] = "1912/07/30"
	startDate["昭和"] = "1926/12/25"
	startDate["平成"] = "1989/01/08"
	startDate["令和"] = "2019/05/01"
	
	DIM baseDate = "1899/12/30"
	
	SELECT TRUE
		CASE reTest(format, "\[h+\]")
			Matches = reExecute(format, "\[(h+)\]")
			DIM hour = iif(hour12, Hour(serial) MOD 12, Hour(serial))
			RESULT = text(hour, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE reTest(format, "^h+$")
			Matches = reExecute(format, "^(h+)$")
			hour = iif(hour12, Hour(serial) MOD 12, Hour(serial))
			RESULT = text(hour MOD 24, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE reTest(format, "\[m+\]")
			Matches = reExecute(format, "\[(m+)\]")
			RESULT = text(serial * 1440, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
		CASE format = "m"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_MM, "0")
		CASE format = "mm"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_MM2
		CASE format = "n"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_NN
		CASE format = "nn"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_NN2
		CASE format = "s"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_SS, "0")
		CASE format = "ss"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_SS2
		CASE format = "yyyy"
			GETTIME(serial, baseDate)
			RESULT = G_TIME_YY4
		CASE format = "yy"
			GETTIME(serial, baseDate)
			RESULT = COPY(G_TIME_YY4, 3, 2)
		CASE format = "e"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 2018
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1988
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1925
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1911
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(serial, "yyyy") - 1867
			SELEND
		CASE format = "ee"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 2018, "00")
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1988, "00")
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1925, "00")
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1911, "00")
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0
					RESULT = text(text(serial, "yyyy") - 1867, "00")
			SELEND
		CASE format = "g"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "R"
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "H"
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "S"
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "T"
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "M"
			SELEND
		CASE format = "gg"
			RESULT = COPY(text(serial, "ggg"), 1, 1)
		CASE format = "ggg"
			SELECT TRUE
				CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "令和"
				CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "平成"
				CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "昭和"
				CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "大正"
				CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "明治"
			SELEND
		CASE format = "mmmmm"
			RESULT = COPY(text(serial, "mmmm"), 1, 1)
		CASE format = "mmmm"
			DIM month[] = "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
			RESULT = month[text(serial, "m") - 1]
		CASE format = "mmm"
			RESULT = COPY(text(serial, "mmmm"), 1, 3)
		CASE format = "dd"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_DD2, "00")
		CASE format = "d"
			GETTIME(serial, baseDate)
			RESULT = text(G_TIME_DD, "0")
		CASE reTest(format, "^[ad]{3,4}$")
			Matches = reExecute(format, "([ad]{3,4})")
			GETTIME(serial, baseDate)
			RESULT = getWeekdayName(G_TIME_WW, Matches.Item(0).SubMatches(0))
		CASE reTest(format, "(0+\.?0+)?%")
			Matches = reExecute(format, "(0+\.?0+)?%")
			RESULT = text(serial * 100, Matches.Item(0).SubMatches(0)) + "%"
		CASE reTest(format, "^\[DBNum\d{1,4}\](.*?)$")
			Matches = reExecute(format, "^\[DBNum(\d{1,4})\](.*?)$")
			DIM value = VAL(Matches.Item(0).SubMatches(0))
			DIM sss = text(serial, Matches.Item(0).SubMatches(1))
			Matches = reExecute(sss, "(\D+)?(\d+)(\D+)?")
			DIM res = ""
			FOR m = 0 TO Matches.Count - 1
				serial = Matches.Item(m).SubMatches(1)
				SELECT value
					CASE 1, 2
						DIM n[][9] = "〇", "一", "二", "三", "四", "五", "六", "七", "八", "九", + _
										"", "壱", "弐", "参", "四", "伍", "六", "七", "八", "九"
						DIM a[][3] = "", "十", "百", "千", + _
										"", "拾", "百", "阡"
						DIM b[][3] = "", "万", "億", "兆", + _
										"", "萬", "億", "兆"
						DIM r = ""
						DIM j = 0
						type = value - 1
						REPEAT
							DIM str = ""
							DIM n4 = serial MOD 10000
							FOR i = LENGTH(n4) TO 1 STEP -1
								s = COPY(n4, i, 1)
								IFB s = 1 AND a[type][LENGTH(n4)-i] <> "" THEN
									str = IIF(s, a[type][LENGTH(n4)-i], "") + str
								ELSE	
									str = n[type][s] + IIF(s, a[type][LENGTH(n4)-i], "") + str
								ENDIF
							NEXT
							IF str <> "" THEN r = str + b[type][j] + r
							j = j + 1
							serial = INT(serial / 10000)
						UNTIL serial = 0
						res = res + Matches.Item(m).SubMatches(0) + r + Matches.Item(m).SubMatches(2)
					CASE 3
						res = res + Matches.Item(m).SubMatches(0) + STRCONV(serial, SC_FULLWIDTH) + Matches.Item(m).SubMatches(2)
					CASE 4
						res = res + Matches.Item(m).SubMatches(0) + STRCONV(serial, SC_HALFWIDTH) + Matches.Item(m).SubMatches(2)
				SELEND
			NEXT
			RESULT = res
		CASE reTest(format, "^(.*?)(AM\/PM|am\/pm|A\/P|a\/p)(.*?)$")
			Matches = reExecute(format, "^(.*?)(AM\/PM|am\/pm|A\/P|a\/p)(.*?)$")
			DIM array = SPLIT(Matches.Item(0).SubMatches(1), "/")
			ampm = array[IIF(serial - INT(serial) >= 0.5, 1, 0)]
			hour12 = TRUE
			res = ""
			WITH Matches.Item(0)
				res = text(serial, .SubMatches(0), hour12) + ampm + text(serial, .SubMatches(2), hour12)
			ENDWITH
			RESULT = res
		CASE reTest(format, "([^ymdagehns]{0,})?(([ymdagehns])\3{0,})([^ymdagehns]+)?")
			Matches = reExecute(format, "([^ymdagehns]{0,})?(([ymdagehns])\3{0,})([^ymdagehns]+)?")
			FOR n = 0 TO Matches.Count - 1
				IF n = 0 THEN res = Matches.Item(n).SubMatches(0)
			NEXT
			FOR n = 0 TO Matches.Count - 1
				WITH Matches.Item(n)
					res = res + text(serial, .SubMatches(1), hour12) + .SubMatches(3)
				ENDWITH
			NEXT
			RESULT = res
		CASE format = "0/0"
			DIM separator = POS(".", serial)
			DIM g = 0
			IFB separator <> 0 THEN
				DIM keta = LENGTH(serial)
				DIM shift = POWER(10, keta - separator)
				IFB shift >= POWER(10, 15) THEN
					DIM position = 0
					FOR i = 0 TO 14
						IFB serial * POWER(10, i) - serial >= 1 THEN
							position = i
							BREAK
						ENDIF
					NEXT
					tmp = serial * POWER(10, position)
					FOR i = 1 TO 15
						r = (tmp * POWER(10, i)) / serial - (tmp / serial)
						a1 = tmp * POWER(10, i) - tmp
						IF a1 = INT(a1) THEN BREAK 
					NEXT
					DIM frac[] = a1, r
					g = GCD(frac)
					RESULT = (a1/g) + "/" + (r/g)
				ELSE
					DIM molecule = serial * shift	// 分子
					DIM denominator = shift		// 分母
					DIM nums[] = molecule, denominator
					g = GCD(nums)
					molecule = molecule / g
					denominator = denominator / g
					RESULT = molecule + "/" + denominator
				ENDIF
			ELSE
				RESULT = serial + "/1"
			ENDIF
		CASE reTest(format, "(0+)\.?(0+)?") AND UBound(SPLIT(format, ".")) <= 1 
			Matches = reExecute(format, "(0+)\.?(0+)?")
			len1 = LENGTH(Matches.Item(0).SubMatches(0))
			len2 = LENGTH(Matches.Item(0).SubMatches(1))
			DIM arr[] = LENGTH(INT(serial)), len1
			IFB POS(".", format) THEN
				RESULT = REPLACE(FORMAT(serial, CALCARRAY(arr, CALC_MAX) + len2 + 1, len2), " ", "0")
			ELSE
				RESULT = REPLACE(FORMAT(serial, CALCARRAY(arr, CALC_MAX)), " ", "0")
			ENDIF
	SELEND
FEND

//////////////////////////////////////////////////
// 【引数】
//   arrayname : 上限値を求める配列の名前 
//   dimension : 返す次元を示す整数 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION UBound(arrayname[], dimension = 1)
	RESULT = EVAL("RESIZE(arrayname" + strRepeat("[0]", dimension - 1) + ")")
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
CSV
彼岸入り:   2020/09/19
秋分の日:   2020/09/22
彼岸明け:   2020/09/25
使用関数

次の満月の日付を求める

UWSC
GETTIME()
DIM year = G_TIME_YY
DIM month = G_TIME_MM
DIM day = G_TIME_DD
DIM JD = YMDToJD(year, month, day)

REPEAT
	DIM TD = JD - 9/24
	DIM JC = (TD + 0.5 - 2451545) / 36525
	DIM λsun = longitudeSun(JC)
	DIM λmoon = longitudeMoon(JC)
	DIM Δλ = ABS(λsun - λmoon)
	JD = JD + ABS(180 - Δλ) / 15	// 180°に遠いときは大きい値、近いときは小さい値を足す
UNTIL ABS(Δλ - 180) <= 1 // 誤差が1以下になるまで

d = JDToYMD(JD)

RESIZE(d, 2)
PRINT JOIN(d, "/")

//////////////////////////////////////////////////
// 【引数】
//   deg : 角度(度数法) 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION degToRad(deg)
	RESULT = deg * (3.14159265358979 / 180)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JD : ユリウス日 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION JDToYMD(JD)
	DIM x0 = INT(JD + 68570)
	DIM x1 = INT(x0 / 36524.25)
	DIM x2 = x0 - INT(36524.25 * x1 + 0.75)
	DIM x3 = INT((x2 + 1) / 365.2425)
	DIM x4 = x2 - INT(365.25 * x3) + 31
	DIM x5 = INT(INT(x4) / 30.59)
	DIM x6 = INT(INT(x5) / 11)
	
	DIM t2 = x4 - INT(30.59 * x5)
	DIM t1 = x5 - 12 * x6 + 2
	DIM t0 = 100 * (x1 - 49) + x3 + x6
	
	IFB t1 = 2 AND t2 > 28 THEN
		SELECT TRUE
			CASE t0 MOD 100 = 0 AND t0 MOD 400 = 0
				t2 = 29
			CASE t0 MOD 4 = 0
				t2 = 29
			DEFAULT
				t2 = 28
		SELEND
	ENDIF
	
	DIM tm = 86400 * (JD - INT(JD))
	DIM t3 = INT(tm / 3600)
	DIM t4 = INT((tm - 3600 * t3) / 60)
	DIM t5 = INT(tm - 3600 * t3 - 60 * t4)
	DIM t[] = t0, t1, t2, t3, t4, t5
	
	RESULT = SLICE(t)
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeMoon(JC)
	DIM A[63] = 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0003, 0.0004, 0.0004, 0.0005, 0.0005, 0.0005, 0.0006, 0.0006, 0.0007, 0.0007, 0.0007, 0.0007, 0.0008, 0.0009, 0.0011, 0.0012, 0.0016, 0.0018, 0.0021, 0.0021, 0.0021, 0.0022, 0.0023, 0.0024, 0.0026, 0.0027, 0.0028, 0.0037, 0.0038, 0.004, 0.004, 0.004, 0.005, 0.0052, 0.0068, 0.0079, 0.0085, 0.01, 0.0107, 0.011, 0.0125, 0.0154, 0.0304, 0.0347, 0.0409, 0.0458, 0.0533, 0.0571, 0.0588, 0.1144, 0.1851, 0.2136, 0.6583, 1.274, 6.2888, 481267.8809 * JC, 218.3162
	DIM k[63] = 2322131, 4067, 549197, 1808933, 349472, 381404, 958465, 12006, 39871, 509131, 1745069, 1908795, 2258267, 111869, 27864, 485333, 405201, 790672, 1403732, 858602, 1920802, 1267871, 1856938, 401329, 341337, 71998, 990397, 818536, 922466, 99863, 1379739, 918399, 1934, 541062, 1781068, 133, 1844932, 1331734, 481266, 31932, 926533, 449334, 826671, 1431597, 1303870, 489205, 1443603, 75870, 513197.9, 445267.1, 441199.8, 854535.2, 1367733.1, 377336.3, 63863.5, 966404, 35999, 954397.7, 890534.2, 413335.3, 477198.9, 0, 0
	DIM θ0[63] = 191, 70, 220, 58, 337, 354, 340, 187, 223, 242, 24, 90, 156, 38, 127, 186, 50, 114, 98, 129, 186, 249, 152, 274, 16, 85, 357, 151, 163, 122, 17, 182, 145, 259, 21, 29, 56, 283, 205, 107, 323, 188, 111, 315, 246, 142, 52, 41, 222.5, 27.9, 47.4, 148.2, 280.7, 13.2, 124.2, 276.5, 87.53, 179.93, 145.7, 10.74, 44.963, 0, 0
	DIM λmoon[63]
	FOR n = 0 TO 60
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λmoon[n] = A[n] * COS(degToRad(ang))
	NEXT
	λmoon[61] = normalizeAngle(A[61])
	λmoon[62] = normalizeAngle(A[62])
	RESULT = normalizeAngle(CALCARRAY(λmoon, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   JC : ユリウス世紀 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION longitudeSun(JC)
	DIM A[18] = 0.0004, 0.0004, 0.0005, 0.0005, 0.0006, 0.0007, 0.0007, 0.0007, 0.0013, 0.0015, 0.0018, 0.0018, 0.0020, 0.0200, -0.0048*JC, 1.9147, 36000.7695*JC, 280.4659
	DIM k[18] = 31557.0, 29930.0, 2281.0, 155.0, 33718.0, 9038.0, 3035.0, 65929.0, 22519.0, 45038.0, 445267.0, 19.0, 32964.0, 71998.1, 35999.05, 35999.05, 0, 0
	DIM θ0[18] = 161.0, 48.0, 221.0, 118.0, 316.0, 64.0, 110.0, 45.0, 352.0, 254.0, 208.0, 159.0, 158.0, 265.1, 267.52, 267.52, 0, 0
	DIM λsun[18]
	FOR n = 0 TO 15
		DIM ang = normalizeAngle(k[n] * JC + θ0[n])
		λsun[n] = A[n] * COS(degToRad(ang))
	NEXT
	λsun[16] = normalizeAngle(A[16])
	λsun[17] = normalizeAngle(A[17])
	RESULT = normalizeAngle(CALCARRAY(λsun, CALC_ADD))
FEND

//////////////////////////////////////////////////
// 【引数】
//   deg : 度数法 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION normalizeAngle(deg)
	SELECT TRUE
		CASE deg >= 360
			deg = deg - INT(deg / 360) * 360
		CASE deg < 0
			deg = deg + INT(ABS(deg / 360) + 1) * 360
	SELEND
	RESULT = deg
FEND

//////////////////////////////////////////////////
// 【引数】
//   year : 年 
//   month : 月 
//   day : 日 
//   hour : 時 
//   minute : 分 
//   second : 秒 
// 【戻り値】
//   
//////////////////////////////////////////////////
FUNCTION YMDToJD(year, month, day, hour = 0, minute = 0, second = 0)
	year = VAL(year);	month = VAL(month);		day = VAL(day);
	hour = VAL(hour);	minute = VAL(minute);	second = VAL(second)
	IFB month < 3 THEN
		year = year - 1
		month = month + 12
	ENDIF
	DIM JD = INT(year * 365.25)
	JD = JD + INT(year / 400)
	JD = JD - INT(year / 100)
	JD = JD + INT((month - 2) * 30.59)
	JD = JD + 1721088
	JD = JD + day
	DIM t = second / 3600
	t = t + minute / 60
	t = t + hour
	t = t / 24
	JD = JD + t
	RESULT = JD
FEND
結果
プレーンテキスト
2020/5/7
使用関数

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指定された日付のを返します。
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指定された日付のを返します。
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