The Revised Julian calendar, or less formally the new calendar and also known as the Milanković calendar, is a calendar proposed in 1923 by the Serbian...

years, until 1582 when Pope Gregory XIII promulgated a revised calendar. The Julian calendar has two types of years: a normal year of 365 days and a...

to correct an error in the Julian calendar that was causing erroneous calculation of the date of Easter. The Julian calendar had been based upon a year...

replacement for, the Julian calendar. The principal change was to space leap years differently so as to make the average calendar year 365.2425 days long...

Julius Caesar used in most of Eastern Christian churches Revised Julian calendar, calendar used by some Eastern Orthodox churches Liturgical year, annually...

some of the latter adopted the revised Julian calendar while Old Calendarists remained committed to the Julian calendar. Old Calendarists are not in communion...

calendar Pax Calendar Pentecontad calendar Pisan calendar Positivist calendar Revised Julian calendar Roman calendar [citation needed] Runic calendar...

28. The Gregorian calendar, the world's most widely used civil calendar, makes a further adjustment for the small error in the Julian algorithm. Each leap...

The proleptic Julian calendar is produced by extending the Julian calendar backwards to dates preceding AD 8 when the quadrennial leap year stabilized...

whether one follows the Julian Calendar (sometimes referred to as the "Old Calendar") or the Revised Julian Calendar ("New Calendar"). All dates having to...