Date :: day - Get days from date
The function returns the day of the month from the date value, i.e. iDays from the iYears-iMonth-iDays date value.
passing values over 31 or smaller than 1 will result in a undefined date
Return value: Day ( int32 )
Day of the month according to the Gregorian Calendar.
Implementation overview
- - internal feature (not documented)
Date :: day ( ) - - internal feature (not documented)
Date :: day ( iDay )