Julian calendar

Rare card · No. 18623

The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts of Oriental Orthodoxy as well as in the Berber calendar. For a quick calculation, between 1901 and 2099 the much more common Gregorian date equals the Julian date plus 13 days (for instance Julian 1 January falls on Gregorian 14 January). The Julian calendar was proposed in 46 BC by (and takes its name from) Julius Caesar, as a reform of the earlier Roman calendar, which was largely a lunisolar one. It took effect on 1 January 45 BC, by his edict. Caesar's calendar became the predominant calendar in the Roman Empire and subsequently most of the Western world for more than 1,600 years, until 1582 when Pope Gregory XIII promulgated a revised calendar. Ancient Romans typically designated years by the names of ruling consuls; the Anno Domini system of...

Read on Wikipedia · Image Ángel M. Felicísimo from Mérida, España, Public domain