Why Does Easter Vary in Date Each Year?

Explore why Easter's date changes, determined by the first full moon post-vernal equinox.

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Easter is determined by the first Sunday after the first full moon following the vernal equinox. This can result in a date as early as March 22 and as late as April 25. Because these astronomical events vary each year, Easter's date changes annually.

FAQs & Answers

  1. What determines the date of Easter? Easter is determined by the first Sunday after the first full moon following the vernal equinox.
  2. When can Easter fall in the calendar year? Easter can fall as early as March 22 and as late as April 25.
  3. Why does Easter change every year? Easter changes every year due to the varying astronomical events that influence its date.
  4. What is the vernal equinox? The vernal equinox is one of the two points in the year when day and night are of approximately equal length, marking the start of spring in the Northern Hemisphere.