Required. The numeric designation of the month. For example, January is 1, February is 2, and so on.
abbreviate
Optional. Boolean value that indicates if the month name is to be abbreviated. If omitted, the default is False, which means that the month name is not abbreviated.
Remarks
The following example uses the MonthName function to return an abbreviated month name for a date expression:
Dim MyVar
MyVar = MonthName(10, True) ' MyVar contains "Oct".