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Easter Date Calculator
Find Western (Catholic / Protestant) and Eastern Orthodox Easter dates for any year, plus Ash Wednesday, Palm Sunday, Good Friday, and Pentecost.
RELIGION · SOCIALFind Western (Gregorian) and Eastern Orthodox Easter dates for any year from 1583 to 9999, plus the full liturgical season — Ash Wednesday, Palm Sunday, Good Friday, Pentecost, and more.
Uses the Meeus / Jones / Butcher algorithm for Western Easter and a Julian-to-Gregorian computation for Orthodox Easter. Outputs both dates side-by-side, the gap between traditions (often 0, 1, 4, or 5 weeks), and 14 related liturgical days computed by date offset from Easter Sunday.
Disclaimer: Algorithm is the standard ecclesiastical formula adopted at the Council of Nicaea (AD 325) and refined for the Gregorian calendar in 1583. Local diocesan adjustments are not applied.
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Frequently Asked Questions
What is the Easter Date Calculator for?
Find Western (Gregorian) and Eastern Orthodox Easter dates for any year from 1583 to 9999, plus the full liturgical season — Ash Wednesday, Palm Sunday, Good Friday, Pentecost, and more.
How do I use the Easter Date Calculator?
Uses the Meeus / Jones / Butcher algorithm for Western Easter and a Julian-to-Gregorian computation for Orthodox Easter. Outputs both dates side-by-side, the gap between traditions (often 0, 1, 4, or 5 weeks), and 14 related liturgical days computed by date offset from Easter Sunday.
How accurate are my easter date results?
Algorithm is the standard ecclesiastical formula adopted at the Council of Nicaea (AD 325) and refined for the Gregorian calendar in 1583. Local diocesan adjustments are not applied.
Is the Easter Date Calculator free to use?
Yes - every calculator on WhichCalc is completely free with no signup, no usage limits, and no tracking on the calculation itself. Results display instantly in your browser and your inputs are never sent to a server. Bookmark the page if you use this calculator regularly.
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