From: "Drew Adams" <drew.adams@oracle.com>
To: "'Peter Dyballa'" <Peter_Dyballa@Web.DE>, "'Enda'" <enda_k2@yahoo.com>
Cc: help-gnu-emacs@gnu.org
Subject: RE: How does Emacs calculate Easter Sunday?
Date: Thu, 5 Jul 2012 13:15:20 -0700 [thread overview]
Message-ID: <43212A3051534567848BB6A589CE9499@us.oracle.com> (raw)
In-Reply-To: <3FE9DB99-982F-4442-9AFF-142650895368@Web.DE>
>*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.
next prev parent reply other threads:[~2012-07-05 20:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-05 19:02 How does Emacs calculate Easter Sunday? Enda
2012-07-05 19:20 ` Peter Dyballa
2012-07-05 20:15 ` Drew Adams [this message]
2012-07-05 21:11 ` Peter Dyballa
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