设:公元年数-1977(或1901)=4Q+R
则:阴历日期=14Q+10.6(R+1)+年内日期序数-29.5n
(注:式中Q、R、n均为自然数,R<4)
例:1994年5月7日的阴历日期为:
1994-1977=17=4×4+1
故:Q=4,R=1 则:5月7日的阴历日期为:
14×4+10.6(1+1)+(31+28+31+30+7)-29.5n
=204.2- 29.5n
然后用29.5去除204.2得商数6......27.2,6即是n值,余数27即是阴历二十七日。
给你个农历的VB源码.curTime = MaskEdBox1
'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"
'天干名称
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"
'地支名称
DiZhi(0) = "子"
DiZhi(1) = "丑"
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"
'属相名称
ShuXiang(0) = "鼠"
ShuXiang(1) = "牛"
ShuXiang(2) = "虎"
ShuXiang(3) = "兔"
ShuXiang(4) = "龙"
ShuXiang(5) = "蛇"
ShuXiang(6) = "马"
ShuXiang(7) = "羊"
ShuXiang(8) = "猴"
ShuXiang(9) = "鸡"
ShuXiang(10) = "狗"
ShuXiang(11) = "猪"
'农历日期名
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) = "十一"
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"
'农历月份名
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) = "腊"
'公历每月前面的天数
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
'农历数据
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
'生成当前公历年、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
'生成当前公历星期 ==>WeekdayStr
curWeekday = Weekday(curTime)
WeekdayStr = WeekName(curWeekday)
'计算到初始时间1921年2月8日的天数: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
'计算农历天干、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
'获取NongliData(m)的第n个二进制位的值
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
Loop
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
'生成农历天干、地支、属相 ==>NongliStr
NongliStr = "农历" &TianGan(((curYear - 4) Mod 60) Mod 10) &DiZhi(((curYear - 4) Mod 60) Mod 12) &"年"
NongliStr = NongliStr &"(" &ShuXiang(((curYear - 4) Mod 60) Mod 12) &")"
'生成农历月、日 ==>NongliDayStr
If curMonth <1 Then
NongliDayStr = "闰" &MonName(-1 * curMonth)
Else
NongliDayStr = MonName(curMonth)
End If
NongliDayStr = NongliDayStr &"月"
NongliDayStr = NongliDayStr &DayName(curDay)
Label2 = NongliStr &NongliDayStr
你指的是阴历吧?阴历这样算,需要一个字典表:
var lunarLeapMonthOfYear=function(year){var table=[
0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,
0x055d2,0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,
0x095b0,0x14977,0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,
0x09570,0x052f2,0x04970,0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,
0x186e3,0x092e0,0x1c8d7,0x0c950,0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,
0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,0x06ca0,0x0b550,0x15355,0x04da0,
0x0a5d0,0x14573,0x052d0,0x0a9a8,0x0e950,0x06aa0,0x0aea6,0x0ab50,0x04b60,
0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,0x096d0,0x04dd5,
0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b5a0,0x195a6,0x095b0,
0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,
0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,
0x092e0,0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,
0x092d0,0x0cab5,0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,
0x15176,0x052b0,0x0a930,0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,
0x0a4e0,0x0d260,0x0ea65,0x0d530,0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,
0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,0x0b5a0,0x056d0,0x055b2,0x049b0,
0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0
]
return table[year-1900]&0xf
}
lunarLeapMonthOfYear(2004)//2004年阴历闰二月
lunarLeapMonthOfYear(2000)//2000年阴历闰四月
lunarLeapMonthOfYear(2001)//2001年没有闰月