GregorianToJulian takes a year, month, and day of the Gregorian calendar and returns the equivalent year, month, and day of the Julian calendar.

JewishCalendar returns interesting dates and facts about a given year.

JulianToGregorian converts a Julian calendar year and day number to a year, month, and day in the Gregorian calendar.

JulianToMoslem takes a year, month, and day of the Julian calendar and returns the equivalent year, month, and day of the Moslem calendar.

MoslemLeapYear returns true if year y of the Moslem calendar is a leap year.

MoslemToJulian converts a Moslem calandar date to a Julian year and day number.

An MMonth specifies a month of the Moslum Calendar (Muharram = 1, ...).