2025 Calendar Orthodox Christmas. The orthodox calendar of 2025 does not establish major church holidays in march, because this period covers the first 4 weeks of lent, which will begin on monday,. Orthodox christmas day is celebrated by orthodox christians around the world.

Next orthodox christmas tuesday, 7 january 2025. Orthodox calendar (russian orthodox church) with feasts and fasts for years from 1900 to 2099 (perpetual calendar).