Eastern Orthodox Fasting Calendar 2025. The different fasting periods throughout the year, as designated in the 2025 orthodox christian calendar, provide believers with opportunities to prepare themselves. Orthodox religious date calendar for 2025.

The different fasting periods throughout the year, as designated in the 2025 orthodox christian calendar, provide believers with opportunities to prepare themselves. Orthodox calendar (russian orthodox church) with feasts and fasts for years from 1900 to 2099 (perpetual calendar).