Syntax:
Then: xx=MDAY(date)
where "date" is a date within the month to test.
Return value is a numeric field containing the number of days in the specified month.
Version Ref: 4.5
Description:
Returns the number of days in a given month.
Examples:
An old rhyme
Then: msgbox mday(doedit("090195","mdy")) < "days hath September."