Menghitung Hari Libur Keagamaan

Jika sebelumnya saya telah membagikan sebuah aplikasi Kalender Indonesia yang dilengkapi dengan hari-hari libur nasional dan keagamaan, dan prakiraan cuti bersama. Nah kali ini saya akan membahasa perumusan untuk menghitung hari libur nasional dan keagamaan yang berlaku di Indonesia.
Ayo, langsung saja ke prakteknya. Jalankan IDE VB6 Anda, buat sebuah project baru, kemudian tambahkan beberapa module pada project Anda, diantaranya:
- basIslam
- basKristen
- basHindu
- basBuddha
- basChina
- basNasional
Oke, tinggal menyalin kode yang berikut ini:
- basIslam

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Option Explicit Public IdulFitri As Date Public IdulFitri2 As Date Public IdulAdha As Date Public MaulidNabi As Date Public TahunBaruHijri As Date Public IsraMiraj As Date Public TahunIdulFitri As Long Public TahunHijriyah As Long Public TahunIdulAdha As Long Public TahunMaulid As Long Public TahunIsraMiraj As Long Private Function intPart(floatNum)     Dim lngReturn As Long           If floatNum < -0.0000001 Then         intPart = (floatNum - 0.0000001)     End If           intPart = Fix(floatNum + 0.0000001) End Function Private Function RoundDown(dblValue As Double) As Double On Error GoTo PROC_ERR Dim myDec As Long myDec = InStr(1, CStr(dblValue), ".", vbTextCompare) If myDec > 0 Then     RoundDown = CDbl(Left(CStr(dblValue), myDec)) Else     RoundDown = dblValue End If PROC_EXIT:     Exit Function PROC_ERR:     MsgBox Err.Description, vbInformation, "Round Down" End Function Private Function RoundUp(dblValue As Double) As Double On Error GoTo PROC_ERR Dim myDec As Long myDec = InStr(1, CStr(dblValue), ".", vbTextCompare) If myDec > 0 Then     RoundUp = CDbl(Left(CStr(dblValue), myDec)) + 1 Else     RoundUp = dblValue End If PROC_EXIT:     Exit Function PROC_ERR:     MsgBox Err.Description, vbInformation, "Round Up" End Function Private Function Trunc(dblValue As Double) As Long On Error Resume Next     Dim strValue As String           If dblValue = 0 Then         Trunc = 0         Exit Function     End If           Dim myDec As Integer     Dim Pisah() As String           myDec = InStr(1, CStr(dblValue), ".", vbTextCompare)           If myDec <> 0 Then         Pisah = Split(CStr(dblValue), ".")         strValue = Pisah(0)     Else         strValue = dblValue     End If           Trunc = CLng(strValue) End Function Public Function Masehi2Hijri(datMasehi As Date) As Date     Dim dDay As Integer     Dim dMonth As Integer     Dim dYear As Long     Const intAW As Long = 227016           Dim intMonth As Integer     Dim intYear As Integer           Dim TA(0 To 12) As Integer     Dim JH(0 To 12) As Integer     Dim KA(0 To 12) As Integer           Dim intAM1 As Long     Dim intAM As Long     Dim intAH As Long     Dim intB As Integer     Dim intThH1 As Integer     Dim intDayCount As Integer     Dim intAddYear As Integer     Dim intTHM2 As Integer     Dim intSisa As Integer     Dim intModDay1 As Integer     Dim intModDay2 As Integer     Dim intBulan1 As Integer     Dim x As Integer               Dim intJmlHari As Integer     Dim intSisaHari As Integer           Dim dHijri As Integer     Dim mHijri As Integer     Dim yHijri As Integer     Dim intODay As Integer           Dim datResult As Date           dDay = Day(datMasehi)     dMonth = Month(datMasehi)     dYear = Year(datMasehi)           TA(0) = 29:    TA(1) = 30     TA(2) = 29:    TA(3) = 30     TA(4) = 29:    TA(5) = 30     TA(6) = 29:    TA(7) = 30     TA(8) = 29:    TA(9) = 30     TA(10) = 29:    TA(11) = 30     TA(12) = 29           KA(0) = 0:    KA(1) = 2     KA(2) = 5:    KA(3) = 7     KA(4) = 10:    KA(5) = 13     KA(6) = 16:    KA(7) = 18     KA(8) = 21:    KA(9) = 24     KA(10) = 26:    KA(11) = 29     KA(12) = 32           JH(0) = 0:    JH(1) = 30     JH(2) = 59:    JH(3) = 89     JH(4) = 118:    JH(5) = 148     JH(6) = 177:    JH(7) = 207     JH(8) = 236:    JH(9) = 266     JH(10) = 295:    JH(11) = 325     JH(12) = 354           intMonth = IIf(dMonth < 3, dMonth + 12, dMonth)     intYear = IIf(dMonth < 3, dYear - 1, dYear)           intAM1 = Int(365.25 * intYear) + _     Int(30.60001 * (intMonth + 1)) + dDay - 428     intB = IIf(intAM1 < 577748, 0, 2 - _     Int(intYear / 100) + Int(Int(intYear / 100) / 4))           intAM = Int(365.25 * intYear) + _     Int(30.60001 * (intMonth + 1)) + dDay + intB - 428               intAH = intAM - intAW     intThH1 = Int(intAH / 354.3671)           intModDay1 = Round(intAH - 354.3671 * Int(intAH / 354.3671), 0.5)     intModDay2 = RoundUp(intAH - 354.3671 * Int(intAH / 354.3671))           intDayCount = IIf(intAH < 0, intModDay1, intModDay2)     intAddYear = Int(intDayCount / 365)           intTHM2 = intThH1 + intAddYear + 1     intSisa = intDayCount Mod 365           For x = 1 To 12         If intSisa >= JH(x - 1) And intSisa <= JH(x) Then             intBulan1 = x - 1             Exit For         End If     Next           intJmlHari = JH(intBulan1)     intSisaHari = intSisa - intJmlHari           dHijri = IIf(intSisaHari = 0, TA(intBulan1), intSisaHari)     mHijri = IIf(intSisaHari = 0, intBulan1, _     IIf((intBulan1 + 1) Mod 12 = 0, 12, (intBulan1 + 1) Mod 12))           yHijri = intTHM2           datResult = DateSerial(yHijri, mHijri, dHijri)     Masehi2Hijri = datResult End Function Public Function Hijri2Masehi(datHijri As Date) As Date     Dim dDay As Integer     Dim dMonth As Integer     Dim dYear As Long     Dim datResult As Date           Const intAW As Long = 227016           dDay = Day(datHijri)     dMonth = Month(datHijri)     dYear = Year(datHijri)           Dim intAH As Long     Dim intAM As Long           intAH = Trunc((11 * dYear) / 30) + _             Trunc(354 * dYear) + _             Trunc(30 * dMonth) - _             Trunc((dMonth - 1) / 2) + dDay - 384           intAM = intAH + intAW           Dim intTHM1 As Long     Dim intDayCount As Integer     Dim intAddYear As Integer     Dim intTHM2 As Long     Dim intA As Integer     Dim intB As Integer     Dim intSisa As Integer           intTHM1 = Int(intAM / 1461) * 4     intDayCount = intAM Mod 1461     intAddYear = Int(intDayCount / 365)           intTHM2 = intTHM1 + intAddYear + 1     intA = intDayCount Mod 365     intB = IIf(intAM < 577748, 0, 2 - Int(intTHM2 / 100) + _     Int(Int(intTHM2 / 100) / 4))           intSisa = intA - intB           Dim JH(0 To 12) As Integer     Dim JLH(0 To 12) As Integer           Dim intBulan1 As Integer     Dim intMatch As Integer     Dim x As Integer           JH(0) = 31     JH(1) = 31     JH(2) = IIf((((intTHM2 Mod 4) = 0 Or (intTHM2 Mod 100) = 0) _     Or (intTHM2 Mod 400) = 0), 29, 28)           JH(3) = 31     JH(4) = 30     JH(5) = 31     JH(6) = 30     JH(7) = 31     JH(8) = 31     JH(9) = 30     JH(10) = 31     JH(11) = 30     JH(12) = 31           JLH(0) = 0     JLH(1) = 31           For x = 2 To 12        JLH(x) = JLH(x - 1) + JH(x)     Next           For x = 1 To 12         If intSisa >= JLH(x - 1) And intSisa <= JLH(x) Then             intMatch = x - 1             Exit For         End If     Next           intBulan1 = IIf(intSisa < 31, 0, intMatch)           Dim intJmlHari As Integer     Dim intSisaHari As Integer           intJmlHari = JLH(intBulan1)     intSisaHari = intSisa - intJmlHari           Dim dMasehi As Integer     Dim mMasehi As Integer     Dim yMasehi As Long           dMasehi = IIf(intSisaHari = 0, JH(intBulan1), intSisaHari)     mMasehi = IIf(intJmlHari = 0, intBulan1, _     IIf((intBulan1 + 1) Mod 12 = 0, 12, (intBulan1 + 1) Mod 12))     yMasehi = intTHM2           datResult = DateSerial(yMasehi, mMasehi, dMasehi)     Hijri2Masehi = datResult End Function Public Function Masehi2Hijri2(ByVal dDate As Date) As Date     Dim j, k, l, n, jd     Dim monthName As String     Dim intDay As Integer, intMonth As Integer, intYear As Integer           Dim arrFormat() As String     Dim sSplit As String     Dim strResult As String     Dim sDay As String     Dim sMonth As String     Dim sYear As String           intDay = Day(dDate)     intMonth = Month(dDate)     intYear = Year(dDate)           If ((intYear > 1582) Or ((intYear = 1582) And (intMonth > 10)) _         Or ((intYear = 1582) And (intMonth = 10) And (intDay > 14))) Then         jd = intPart((1461 * (intYear + 4800 + _         intPart((intMonth - 14) / 12))) / 4) + _              intPart((367 * (intMonth - 2 - 12 * _              (intPart((intMonth - 14) / 12)))) / 12) - _              intPart((3 * (intPart((intYear + 4900 + _              intPart((intMonth - 14) / 12)) / 100))) / 4) + intDay - 32075     Else         jd = 367 * intYear - intPart((7 * _         (intYear + 5001 + intPart((intMonth - 9) / 7))) / 4) + _         intPart((275 * intMonth) / 9) + intDay + 1729777     End If                           l = jd - 1948440 + 10632     n = intPart((l - 1) / 10631)     l = l - 10631 * n + 354           j = (intPart((10985 - l) / 5316)) * (intPart((50 * l) / 17719)) + _     (intPart(l / 5670)) * (intPart((43 * l) / 15238))           l = l - (intPart((30 - j) / 15)) * (intPart((17719 * j) / 50)) - _     (intPart(j / 16)) * (intPart((15238 * j) / 43)) + 29           intMonth = intPart((24 * l) / 709)     intDay = l - intPart((709 * intMonth) / 24)     intYear = 30 * n + j - 30           Masehi2Hijri2 = DateSerial(intYear, intMonth, intDay) End Function Public Function Hijri2Pasaran(datHijri As Date) As String     Dim dDay As Integer     Dim dMonth As Integer     Dim dYear As Long     Dim intAH As Long     Dim intAM As Long     Dim datResult As Date     Dim PA(5) As String           Const intAW As Long = 227016           dDay = Day(datHijri)     dMonth = Month(datHijri)     dYear = Year(datHijri)               intAH = Trunc((11 * dYear) / 30) + _             Trunc(354 * dYear) + _             Trunc(30 * dMonth) - _             Trunc((dMonth - 1) / 2) + dDay - 384           intAM = intAH + intAW           PA(0) = "Wage"     PA(1) = "Kliwon"     PA(2) = "Legi"     PA(3) = "Pahing"     PA(4) = "Pon"           Dim intMod As Integer           intMod = intAM Mod 5     Hijri2Pasaran = PA(intMod) End Function Public Sub Islam(intTahun As Integer) On Error Resume Next     Dim x As Integer     Dim dDate As Date     Dim datResult As Date     Dim datHijri(1 To 366) As Date     Dim datMasehi(1 To 366) As Date           For x = 0 To 366         dDate = DateAdd("d", x, DateSerial(intTahun, 1, 1))         datMasehi(x) = dDate         datHijri(x) = Masehi2Hijri(dDate)                   If Hijri2Masehi(datHijri(x)) <> datMasehi(x) Then             datHijri(x) = Masehi2Hijri2(dDate)             'If Hijri2Masehi(datHijri(x)) <> datMasehi(x) Then                 'datHijri(x) = DateAdd("d", -1, Masehi2Hijri(dDate))             'End If         End If                   Select Case Month(datHijri(x))         Case 1             If Day(datHijri(x)) = 1 Then                 TahunBaruHijri = datMasehi(x)             End If             TahunHijriyah = Year(datHijri(x))         Case 3             If Day(datHijri(x)) = 12 Then                 MaulidNabi = datMasehi(x)             End If             TahunMaulid = Year(datHijri(x))         Case 7             If Day(datHijri(x)) = 27 Then                 IsraMiraj = datMasehi(x)             End If             TahunIsraMiraj = Year(datHijri(x))         Case 10             If Day(datHijri(x)) = 1 Then                 IdulFitri = datMasehi(x)             End If             If Day(datHijri(x)) = 2 Then                 IdulFitri2 = datMasehi(x)             End If             TahunIdulFitri = Year(datHijri(x))         Case 12             If Day(datHijri(x)) = 10 Then                 IdulAdha = datMasehi(x)             End If             TahunIdulAdha = Year(datHijri(x))         End Select     Next End Sub

- basKristen

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Option Explicit Public Paskah As Date Public WafatIsa As Date Public KenaikanIsa As Date Public Natal As Date Public TahunBaru As Date Sub Kristen(intTahun As Integer)     Dim intA As Integer     Dim intB As Integer     Dim intC As Integer     Dim intD As Integer     Dim intE As Integer     Dim intF As Integer     Dim intG As Integer     Dim intH As Integer     Dim intI As Integer     Dim intJ As Integer     Dim intK As Integer     Dim intL As Integer     Dim intM As Integer     Dim intN As Integer     Dim intO As Integer           intA = intTahun Mod 19     intB = intTahun Mod 4     intC = intTahun Mod 7           intH = IIf((intTahun >= 1900 And intTahun <= 2099), 5, 0)     intI = IIf((intTahun >= 2100 And intTahun <= 2199), 6, 0)     intJ = IIf((intTahun >= 2200 And intTahun <= 2299), 0, 0)     intK = intH + intI + intJ     intL = IIf((intTahun >= 1900 And intTahun <= 2099), 24, 0)     intM = IIf((intTahun >= 2100 And intTahun <= 2199), 24, 0)     intN = IIf((intTahun >= 2200 And intTahun <= 2299), 25, 0)     intO = intL + intM + intN           intD = ((19 * intA) + intO) Mod 30     intE = ((2 * intB) + (4 * intC) + (6 * intD) + intK) Mod 7     intF = IIf(intD + intE < 10, 3, 4)     intG = IIf(intD + intE < 10, intD + intE + 22, intD + intE - 9)           Paskah = DateSerial(intTahun, intF, intG)     WafatIsa = DateAdd("d", -2, Paskah)     KenaikanIsa = DateAdd("d", 39, Paskah)     TahunBaru = DateSerial(intTahun, 1, 1)     Natal = DateSerial(intTahun, 12, 25) End Sub Sumber : http://www.blogger.com/blogger.g?blogID=5684504499131365100#editor/target=post;postID=2687521146235328130