Returns a string indicating the specified month.
MonthName(month, [ abbreviate ])
The MonthName function syntax has these parts:
|month||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.|