農曆的演算法 (轉)

農曆的演算法 (轉)[@more@]

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Dim WeekName(7), MonthAdd(11), NongliData(99), TianGan(9), DiZhi(11), ShuXiang(11), DayName(30), MonName(12)
Dim curTime, curYear, curMonth, curDay, curWeekday
Dim GongliStr, WeekdayStr, NongliStr, NongliDayStr
Dim i, m, n, k, isEnd, bit, TheDate

Private Sub Form_Load()
'獲取當前時間
curTime = Now()

'星期名
WeekName(0) = " * "
WeekName(1) = "星期日"
WeekName(2) = "星期一"
WeekName(3) = "星期二"
WeekName(4) = "星期三"
WeekName(5) = "星期四"
WeekName(6) = "星期五"
WeekName(7) = "星期六"

'天干名稱
TianGan(0) = "甲"
TianGan(1) = "乙"
TianGan(2) = "丙"
TianGan(3) = "丁"
TianGan(4) = "戊"
TianGan(5) = "己"
TianGan(6) = "庚"
TianGan(7) = "辛"
TianGan(8) = "壬"
TianGan(9) = "癸"

'地支名稱
DiZhi(0) = "子"
DiZhi(1) = "醜"
DiZhi(2) = "寅"
DiZhi(3) = "卯"
DiZhi(4) = "辰"
DiZhi(5) = "巳"
DiZhi(6) = "午"
DiZhi(7) = "未"
DiZhi(8) = "申"
DiZhi(9) = "酉"
DiZhi(10) = "戌"
DiZhi(11) = "亥"

'屬相名稱
ShuXiang(0) = "鼠"
ShuXiang(1) = "牛"
ShuXiang(2) = "虎"
ShuXiang(3) = "兔"
ShuXiang(4) = "龍"
ShuXiang(5) = "蛇"
ShuXiang(6) = "馬"
ShuXiang(7) = "羊"
ShuXiang(8) = "猴"
ShuXiang(9) = "雞"
ShuXiang(10) = "狗"
ShuXiang(11) = "豬"

'農曆日期名
DayName(0) = "*"
DayName(1) = "初一"
DayName(2) = "初二"
DayName(3) = "初三"
DayName(4) = "初四"
DayName(5) = "初五"
DayName(6) = "初六"
DayName(7) = "初七"
DayName(8) = "初八"
DayName(9) = "初九"
DayName(10) = "初十"
DayName(11) = "十?quot;"
DayName(12) = "十二"
DayName(13) = "十三"
DayName(14) = "十四"
DayName(15) = "十五"
DayName(16) = "十六"
DayName(17) = "十七"
DayName(18) = "十八"
DayName(19) = "十九"
DayName(20) = "二十"
DayName(21) = "廿一"
DayName(22) = "廿二"
DayName(23) = "廿三"
DayName(24) = "廿四"
DayName(25) = "廿五"
DayName(26) = "廿六"
DayName(27) = "廿七"
DayName(28) = "廿八"
DayName(29) = "廿九"
DayName(30) = "三十"

'農曆月份名
MonName(0) = "*"
MonName(1) = "正"
MonName(2) = "二"
MonName(3) = "三"
MonName(4) = "四"
MonName(5) = "五"
MonName(6) = "六"
MonName(7) = "七"
MonName(8) = "八"
MonName(9) = "九"
MonName(10) = "十"
MonName(11) = "十一"
MonName(12) = "臘"

'公曆每月前面的天數
MonthAdd(0) = 0
MonthAdd(1) = 31
MonthAdd(2) = 59
MonthAdd(3) = 90
MonthAdd(4) = 120
MonthAdd(5) = 151
MonthAdd(6) = 181
MonthAdd(7) = 212
MonthAdd(8) = 243
MonthAdd(9) = 273
MonthAdd(10) = 304
MonthAdd(11) = 334

'農曆資料
NongliData(0) = 2635
NongliData(1) = 333387
NongliData(2) = 1701
NongliData(3) = 1748
NongliData(4) = 267701
NongliData(5) = 694
NongliData(6) = 2391
NongliData(7) = 133423
NongliData(8) = 1175
NongliData(9) = 396438
NongliData(10) = 3402
NongliData(11) = 3749
NongliData(12) = 331177
NongliData(13) = 1453
NongliData(14) = 694
NongliData(15) = 201326
NongliData(16) = 2350
NongliData(17) = 465197
NongliData(18) = 3221
NongliData(19) = 3402
NongliData(20) = 400202
NongliData(21) = 2901
NongliData(22) = 1386
NongliData(23) = 267611
NongliData(24) = 605
NongliData(25) = 2349
NongliData(26) = 137515
NongliData(27) = 2709
NongliData(28) = 464533
NongliData(29) = 1738
NongliData(30) = 2901
NongliData(31) = 330421
NongliData(32) = 1242
NongliData(33) = 2651
NongliData(34) = 199255
NongliData(35) = 1323
NongliData(36) = 529706
NongliData(37) = 3733
NongliData(38) = 1706
NongliData(39) = 398762
NongliData(40) = 2741
NongliData(41) = 1206
NongliData(42) = 267438
NongliData(43) = 2647
NongliData(44) = 1318
NongliData(45) = 204070
NongliData(46) = 3477
NongliData(47) = 461653
NongliData(48) = 1386
NongliData(49) = 2413
NongliData(50) = 330077
NongliData(51) = 1197
NongliData(52) = 2637
NongliData(53) = 268877
NongliData(54) = 3365
NongliData(55) = 531109
NongliData(56) = 2900
NongliData(57) = 2922
NongliData(58) = 398042
NongliData(59) = 2395
NongliData(60) = 1179
NongliData(61) = 267415
NongliData(62) = 2635
NongliData(63) = 661067
NongliData(64) = 1701
NongliData(65) = 1748
NongliData(66) = 398772
NongliData(67) = 2742
NongliData(68) = 2391
NongliData(69) = 330031
NongliData(70) = 1175
NongliData(71) = 1611
NongliData(72) = 200010
NongliData(73) = 3749
NongliData(74) = 527717
NongliData(75) = 1452
NongliData(76) = 2742
NongliData(77) = 332397
NongliData(78) = 2350
NongliData(79) = 3222
NongliData(80) = 268949
NongliData(81) = 3402
NongliData(82) = 3493
NongliData(83) = 133973
NongliData(84) = 1386
NongliData(85) = 464219
NongliData(86) = 605
NongliData(87) = 2349
NongliData(88) = 334123
NongliData(89) = 2709
NongliData(90) = 2890
NongliData(91) = 267946
NongliData(92) = 2773
NongliData(93) = 592565
NongliData(94) = 1210
NongliData(95) = 2651
NongliData(96) = 395863
NongliData(97) = 1323
NongliData(98) = 2707
NongliData(99) = 265877

'生成當前公曆年、月、日 ==> GongliStr
curYear = Year(curTime)
curMonth = Month(curTime)
curDay = Day(curTime)

GongliStr = curYear & "年"
If (curMonth < 10) Then
  GongliStr = GongliStr & "0" & curMonth & "月"
Else
  GongliStr = GongliStr & curMonth & "月"
End If
If (curDay < 10) Then
  GongliStr = GongliStr & "0" & curDay & "日"
Else
  GongliStr = GongliStr & curDay & "日"
End If

'生成當前公曆星期 ==> WeekdayStr
curWeekday = Weekday(curTime)
WeekdayStr = WeekName(curWeekday)

'計算到初始時間1921年2月8日的天數：1921-2-8(正月初一)
TheDate = (curYear - 1921) * 365 + Int((curYear - 1921) / 4) + curDay + MonthAdd(curMonth - 1) - 38
If ((curYear Mod 4) = 0 And curMonth > 2) Then
  TheDate = TheDate + 1
End If

'計算農曆天干、地支、月、日
isEnd = 0
m = 0

Do
  If (NongliData(m) < 4095) Then
  k = 11
  Else
  k = 12
  End If

  n = k
  Do
  If (n < 0) Then
  Exit Do
  End If

  '獲取NongliData(m)的第n個二進位制位的值
  bit = NongliData(m)
  For i = 1 To n Step 1
  bit = Int(bit / 2)
  Next
  bit = bit Mod 2

  If (TheDate <= 29 + bit) Then
  isEnd = 1
  Exit Do
  End If

  TheDate = TheDate - 29 - bit

  n = n - 1
  L

  If (isEnd = 1) Then
  Exit Do
  End If

  m = m + 1
Loop

curYear = 1921 + m
curMonth = k - n + 1
curDay = TheDate

If (k = 12) Then
  If (curMonth = (Int(NongliData(m) / 65536) + 1)) Then
  curMonth = 1 - curMonth
  ElseIf (curMonth > (Int(NongliData(m) / 65536) + 1)) Then
  curMonth = curMonth - 1
  End If

End If

'生成農曆天干、地支、屬相 ==> NongliStr
NongliStr = "農曆" & TianGan(((curYear - 4) Mod 60) Mod 10) & DiZhi(((curYear - 4) Mod 60) Mod 12) & "年"
NongliStr = NongliStr & "(" & ShuXiang(((curYear - 4) Mod 60) Mod 12) & ")"

'生成農曆月、日 ==> NongliDayStr
If (curMonth < 1) Then
  NongliDayStr = "閏" & MonName(-1 * curMonth)
Else
  NongliDayStr = MonName(curMonth)
End If
NongliDayStr = NongliDayStr & "月"

NongliDayStr = NongliDayStr & DayName(curDay)

MsgBox NongliStr & NongliDayStr

End Sub