hvjavacalendar
hvajavacalendar is a Java package that has many calendars
This Java package implements many calendars.
In addition to the Gregorian calendar, it has these calendars:
Armenian, Bahai, Chinese, Coptic, Egyptian, Ethiopic, French
revolutionary, Hebrew, Hindu lunar, Hindu solar, Indian, Islamic,
Jalali, Julian, Mayan, Nepali, Persian, World calendar.
Different countries changed from Julian to Gregorian calendar in
different times. This package has calendars for the following
countries (all of them do not exist any more as independend
countries...