Orthodox Old Calendar 2025. Orthodox easter for the year 2025 is celebrated/ observed on sunday, april 20. There are 11 holidays and days off in the orthodox calendar in 2025.
Orthodox calendar (russian orthodox church) with feasts and fasts for years from 1900 to 2099 (perpetual calendar). The orthodox new year is widely known as the old new year and is marked as january 1 in the julian calendar, which.