Gregorian calendar

== English == === Etymology === Named after Pope Gregory XIII who decreed it should be used. === Pronunciation === (General American) IPA(key): /ɡɹeˈɡɔːɹiən kæləndɚ/ === Proper noun === the Gregorian calendar The calendar currently used in the western world. It replaced the Julian calendar and was devised to halt the slow drift of the vernal equinox towards earlier in the year. ==== Synonyms ==== Christian calendar ==== Translations ==== ==== See also ====