Easter & Motions of the Moon

Jul 20, 2017
Easter Eggs 2


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Did you know that the date of Easter is tied to the motions of the Moon? It is observed on the Sunday after the Paschal Full Moon, which occurs on or shortly after March 21 (the fixed date of spring set by the church).

Easter and the Motions of the Moon

The Paschal Full Moon date was determined by calculations made in A.D. 325 that did not consider all factors of lunar motion, so it may differ from the actual full Moon date by a day or so.

For those western Christian churches and others that use the Gregorian calendar for their calculations, Easter can occur as early as March 22 and as late as April 25.

For those Eastern Orthodox churches and others that use the Julian calendar for their calculations, the observance can occur between April 3 and May 10 on the Gregorian calendar. 

Learn more about how to calculate the date of Easter.

Which Full Moon is Nearest to Easter?

The Full Moon nearest to Easter can change. Sometimes, it’s the full Moon which falls in March and sometimes it’s the full Moon which falls in April. See more about March’s Full Worm Moon as well as April’s Full Pink Moon.

Enjoy learning this? Check out our Almanac EXTRA! magazine packed with more Almanac wit, wisdom, and weather!

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This new corner of Almanac.com will feature news, information, and cool stuff from The Old Farmer’s Almanac and its family of publications.

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