Why Does Easter Change Each Year?

Answer

The reason the Easter holiday keeps changing annually is because of the time at which the full moon appears after the vernal equinox which varies annually. The first Sunday after this event is what is considered Easter Sunday by Christians.
1 Additional Answer
Ask.com Answer for: why does easter change each year
Easter falls on the Sunday after the Paschal full moon, which changes yearly.
The date of the Paschal full moon does not correspond directly to any astronomical event, but is determined by ecclesiastical tables. The exact date of Easter is calculated differently in Orthodox and Non-Orthodox calendars.
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