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Easter Date Calculator

Western and Eastern Easter, plus surrounding holy days.

Compute the date of Western (Gregorian) and Eastern (Orthodox) Easter for any year, plus the surrounding Ash Wednesday, Palm Sunday, Good Friday, and Pentecost.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Western Easter via the Anonymous Gregorian algorithm; Eastern Easter via Meeus's Julian algorithm shifted into the Gregorian calendar.

In depth

Compute the date of Western (Gregorian) and Eastern (Orthodox) Easter for any year, plus the surrounding Ash Wednesday, Palm Sunday, Good Friday, and Pentecost.