Julian calendar
noun
- a calendar introduced by the authority of Julius Caesar in 46 BC, in which the year consisted of 365 days, every fourth year having 366 days. It was superseded by the Gregorian calendar, though it is still used by some Orthodox Churches. Dates in the Julian calendar are sometimes designated 'Old Style'.儒略历（公元前46年尤利乌斯·凯撒授权采用的历法, 一年有365天, 每四年为一闰年, 共有366天; 该历法后被格雷果里历取代, 但某些正教会至今仍在使用; 儒略历的日期有时被标明为“西洋旧历”）。