Calendars, Heresies, and Easter

The Quartodeciman Heresy

March 31st, 2024. As Easter weekend comes to a close, we can still look forward to a second celebration of the Resurrection by the Orthodox Church more than a month away, on May 5th. How did the Christian world end up with two celebrations of the Resurrection on different dates? The answer is related to the papal decree to implement the Gregorian Cale…