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Re: Talk about glibc locale format
Keld Jørn Simonsen <keld@dkuug.dk> writes:
> On Tue, Jul 05, 2005 at 09:18:23AM +0900, Olaf Meeuwissen wrote:
>> Keld Jørn Simonsen <keld@dkuug.dk> writes:
>>
>>
>> FYI, the Hebrew calendar has 13 months in a "leap" year. The Baha'i
>> calendar has 20 months.
>
> How is this controlled? I know one can figure out when easter is each
> year, is it an algorithm like that? (I know, should google...)
There is a nice book called 'Calendrical Calculations' by Nachum
Dershowitz and Edward M. Reingold (ISBN 0-521-564-74-3) that has lots
of info on a large number of calendars.
BTW, these are the people behind emacs' calendar mode.
To get back to your question, a Hebrew year y is a "leap" year if
(7y + 1) mod 19 < 7
> And Baha'i - is that calculable?
By the looks of what in the book, yes.
Hope this helps,
--
Olaf Meeuwissen EPSON AVASYS Corporation, LAN
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