Easter Date Calculator

Calculate Easter date for any year using the computus algorithm.

Year Selection

Enter Year

Easter Sunday

Sunday, April 5, 2026

Uses the standard Western Gregorian calendar calculation.

Overview

Easter date calculation (computus) determines first Sunday after first full moon following spring equinox (March 21). Complex algorithm based on lunar cycles and Gregorian calendar. Western and Orthodox Easter often differ.

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Pro Tips

Western Easter: Catholic, Protestant (Gregorian calendar).
Orthodox Easter: uses Julian calendar (often 1-5 weeks later).
Earliest possible: March 22; latest: April 25.
Easter repeats every 5.7 million years (full cycle).

Fun Facts

"Easter 2024: March 31; 2025: April 20; 2026: April 5."
"Gauss developed mathematical Easter formula in 1800."
"Orthodox Easter 2024: May 5; 2025: April 20."
"Easter determines dates of Ash Wednesday, Pentecost, etc."

Formula: Easter = First Sunday after first full moon on/after March 21

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