Data.Time.Calendar.Julian
Year and day format
toJulianYearAndDay
fromJulianYearAndDay
showJulianYearAndDay
isJulianLeapYear
toJulian
fromJulian
showJulian
julianMonthLength
addJulianMonthsClip
addJulianMonthsRollOver
addJulianYearsClip
addJulianYearsRollOver