VBA Function: Weekday

The VBA Weekday function returns the day of the week as a number (from 1 to 7) based on a date.

Usage:

Weekday(date)

or

Weekday(date, first_day_of_week)

Numbering

By default, Sunday is considered the first day of the week (1) and Saturday is considered the last day (7).

To modify the numbering and set Monday as the first day of the week (1) and Sunday as the last day (7), add the value 2 as the second argument when using this function:

Weekday(date, 2)

Examples of Usage

Using the Weekday function to display the day of the week number for multiple dates:

Sub example()
    
    MsgBox Weekday(#11/2/2026#) 'Returns: 2
    MsgBox Weekday("11-3-26") 'Returns: 3
    MsgBox Weekday("Nov 4 2026") 'Returns: 4
    MsgBox Weekday("11/5/2026 17:30:21") 'Returns: 5
    
End Sub

Using the Weekday function to differentiate between a weekday and the weekend:

Sub example()

    If Weekday(Now, 2) < 6 Then
        MsgBox "It's a weekday..."
    Else
        MsgBox "It's the weekend!"
    End If
    
End Sub