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Date.DaysInMonth

Returns a number from 28 to 31 indicating the number of days in the month.

Syntax​

Date.DaysInMonth(
    dateTime as any
) as number

Remarks​

Returns the number of days in the month in the date, datetime, or datetimezone value dateTime.

  • dateTime: A date, datetime, or datetimezone value for which the number of days in the month is returned.

Examples​

Example #1​

Number of days in the month December as represented by #date(2011, 12, 01).

Date.DaysInMonth(#date(2011, 12, 01))

Result:

31

Category​

Date