WeekDay Function

This function returns the number corresponding to the weekday represented by a serial date number that is generated by the DateSerial or the DateValue functions.

This help page describes the WeekDay function used in Basic scripts. If you are interested in the WeekDay function used in LibreOffice Calc, refer to this help page.

Sintaksis:


  WeekDay (SerialDate, [FirstDayOfWeek])

Parameter:

SerialDate: Integer expression that contains the serial date number that is used to calculate the day of the week.

FirstDayOfWeek: Integer value indicating which weekday should be considered as the first day of the week. The default value is 0, meaning that the system locale settings are used to determine the first day of the week.

The parameter FirstDayOfWeek accepts values ranging from 0 to 7. The table below describes the meaning of each possible value:

Nilai	VBA Constant	Deskripsi
0	vbUseSystemDayOfWeek	Use system locale settings
1	vbSunday	Minggu (utama)
2	vbMonday	Senin
3	vbTuesday	Selasa
4	vbWednesday	Rabu
5	vbThursday	Kamis
6	vbFriday	Jumat
7	vbSaturday	Sabtu

The VBA constants listed above are only available if VBA support has been enabled. For more information, read the VBASupport Statement help page.

Nilai balikan:

Integer

Kode kesalahan:

5 Tidak sah dalam pemanggilan prosedur

Contoh:

The following example uses the function Now() to determine the current weekday.


Sub ExampleWeekDay
    Dim sDay As String
    ' Hasilkan Dan tampilkan hari dalam sepekan
    Select Case WeekDay( Now )
            Case 1: sDay="Sunday"
            Case 2: sDay="Monday"
            Case 3: sDay="Tuesday"
            Case 4: sDay="Wednesday"
            Case 5: sDay="Thursday"
            Case 6: sDay="Friday"
            Case 7: sDay="Saturday"
    End Select
    msgbox "" + sDay,64,"Hari ini adalah"
End Sub

The following example illustrates the use FirstDayOfWeek parameter, assuming that Tuesday is the first day of the week.


  Dim someDay As Long
  ' The date January 1st 2021 was a Friday
  someDay = DateSerial(2021, 01, 01)
  ' Prints "6" assuming Sunday is the first day of the week
  MsgBox WeekDay(someDay)
  ' Prints "4" assuming Tuesday is the first day of the week
  MsgBox WeekDay(someDay, 3)