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When can Easter fall in the Western Christian calendar?

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Raphael: Resurrection of Christ — Easter *Resurrection of Christ*, oil on wood panel by Raphael, 1499–1502; in the Museu de Arte de São Paulo, São Paulo, Brazil. 52 × 44 cm.

In the Western Christian calendar, Easter is observed on the first Sunday following the first full moon that occurs on or after the spring equinox, which is fixed at March 21.123

Based on this calculation, Easter can fall on any Sunday between March 22 and April 25.12