- IPA[dʒuːlɪən ˈkalɪndə]
- 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 It was superseded by the Gregorian calendar, though it is still used by some Orthodox Churches.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’.
noun: Julian calendar