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RE: How does Emacs calculate Easter Sunday?
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From: |
Drew Adams |
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Subject: |
RE: How does Emacs calculate Easter Sunday? |
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Date: |
Thu, 5 Jul 2012 13:15:20 -0700 |
>*Help*...contains a hyper-link to holidays.el. Follow it!
> Can you see the calculations?
FWIW, I remember reading that code many years ago and being amazed by it - in
particular, the Easter algorithm/definition. It involves both the moon and the
sun: first Sunday after the first full moon after the Spring equinox (in the
northern hemisphere). Definitely an interesting read. See also
http://en.wikipedia.org/wiki/Easter.