The number of days in a given month of a given year.
The number of days in the given month and year.
|Month||A month identifier, 1 - 12. (REQUIRED)|
|Year||The year, or 0 for a non-leap year. (OPTIONAL)|
The "DaysInMonth" service retrieves the number of days in a given month and year. The Month parameter must be an integer between 1 and 12, otherwise, "" is returned. The Year is optional. If omitted or set to 0, then a non-leap year is assumed. If Year is set to something non-zero, then leap years are taken into account.