public GregorianCalendar (int year, int month, int dayOfMonth)

Constructs a GregorianCalendar with the given date set in the default time zone with the default locale.

Parameters:
year    the value used to set the YEAR calendar field in the calendar.
month    the value used to set the MONTH calendar field in the calendar. Month value is 0-based. e.g., 0 for January.
dayOfMonth    the value used to set the DAY_OF_MONTH calendar field in the calendar.