Easter 2025 Orthodox. Greek orthodox easter, or pascha, is the most important religious feast of the year, with customs and traditions that have been part of christianity for two thousand years. Orthodox easter, which is calculated using the phases of the moon and the equinox, is a sacred season and the most significant celebration of the eastern christian churches or orthodox churches — it will be celebrated on april 20.

The buildup to this day in eastern. Orthodox easter will fall on sunday, may 5th, 2024, according to the julian calendar used by much of eastern orthodoxy.