Ju‧li‧an cal‧en‧dar, the /ˌdʒuːliən ˈkæləndəʳ/
the calendar introduced by Julius Caesar in Rome in 46 BC, that fixed the normal year at 365 days. The Gregorian calendar, the usual calendar used in western countries in modern times, is based on the Julian calendar.

[TahlilGaran] Dictionary of Contemporary English ▲