Easter date calculator

Western and Orthodox Easter Sunday for any year, with the movable feasts — Ash Wednesday, Palm Sunday, Ascension, Pentecost.

Calculated in this browser — nothing is sent anywhere.

Gregorian Easter uses the Meeus/Jones/Butcher computus — exact for 1583–9999. Orthodox dates are the Julian-calendar Easter converted to Gregorian dates (the civil dates most Orthodox communities publish). A few churches use the Revised Julian calendar, which can differ.

How to use

  1. Enter a year.
  2. Read the Western (Gregorian) feast table.
  3. Read the Orthodox (Julian→Gregorian) dates.

What it supports

Gregorian Easter uses the Meeus/Jones/Butcher computus — exact for 1583–9999. Orthodox dates are the Julian Easter converted to Gregorian civil dates; Revised-Julian churches can differ.

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