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Easter Date Calculator

Find the date of Easter Sunday for any year — Western (Gregorian) or Orthodox — plus Good Friday, Ash Wednesday, Ascension and Pentecost.

Year

Tradition

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How it works

Western Easter uses the Anonymous Gregorian (Meeus/Jones/Butcher) computus · Orthodox Easter uses the Julian computus, then shifts 13 days (for 1900–2099) to the Gregorian calendar · Easter is the first Sunday after the ecclesiastical full moon on or after March 21

Easter is a movable feast: the first Sunday after the ecclesiastical (calculated) full moon that falls on or after March 21. The Western church computes this on the Gregorian calendar, so Easter lands between March 22 and April 25. The Orthodox church uses the older Julian calendar for the same rule and then the date is expressed on the Gregorian calendar, which is why Orthodox Easter is often one to five weeks later. From Easter, the tool derives the linked dates — Good Friday two days before, Ash Wednesday 46 days before, and Ascension and Pentecost 39 and 49 days after.

Worked example

For 2026, the Western computus gives Easter Sunday on April 5, 2026. Good Friday is April 3, Ash Wednesday is February 18, and Pentecost is May 24. The Orthodox calculation for 2026 gives April 12, one week later.

Sources: Computus — Wikipedia · Date of Easter (Meeus algorithm) — Wikipedia

Frequently asked questions

Why does Easter move each year?

It is tied to the lunar cycle: Easter is the first Sunday after the ecclesiastical full moon on or after March 21. Because that full moon shifts against the solar calendar, Western Easter can fall anywhere from March 22 to April 25.

Why do Western and Orthodox Easter differ?

Both use the same rule but on different calendars. The Orthodox church still bases the calculation on the Julian calendar, which now runs 13 days behind the Gregorian, so Orthodox Easter usually falls later — occasionally on the same day when the cycles align.

What years does this cover?

The Western calculation is valid across the full Gregorian era from 1583 onward; the Orthodox Julian-to-Gregorian shift used here is exact for years 1900 to 2099, when the offset is 13 days. Outside that window the Orthodox date can be off by a day.

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This calculator is for educational purposes. Double-check important results before acting on them.