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How is the Date for Easter Determined? |
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Written by Nancy Tipton
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Friday, 21 March 2008 |
Well, hold on to your mathematical hat...
If you think Easter is early this year, you're right
According to the U.S. Naval Observatory web site, the the date for Easter shifts every year within the Gregorian Calendar.
The ecclesiastical rules are:
* Easter falls on the first Sunday following the first ecclesiastical full moon that occurs on or after the day of the vernal equinox;
* this particular ecclesiastical full moon is the 14th day of a tabular lunation (new moon); and
* the vernal equinox is fixed as March 21.
Resulting in that Easter can never occur before March 22 or later than April 25.
If you want to read all the formulas and tables that bring us to Easter this Sunday, check out the Observatory's web site
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