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Hello, Denmarks, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are a few good links for newcomers:

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Perpetual calendar

edit

The second Zeller formula is completely wrong try it for September 1 1939 or March 1 2007...

Interesting webpage about different types of Christian Zeller algorythms one can find here:

http://www.merlyn.demon.co.uk/zeller-c.htm

Cheers,

Polimerek 01:42, 27 February 2006 (UTC)Reply

Hello Mr. Denmarks, please see http://commons.wikimedia.org/wiki/Wikitable_calendar and http://commons.wikimedia.org/wiki/Category:Perpetual_calendars It will interest them! greetings from saxony Karl Nimtsch (LenderKarl for germans sites) --LenderCarl (talk) 08:08, 11 February 2011 (UTC)Reply

Source:

The first print was by C.H.Beck-Munic 1992 "Juristenkalender/Steuerberaterkalender". The next print by "Max-Planck-Institut" Heidelberg, see by "Sterne und Weltraum" 5/93. The next print was a poster in special nr.5 from march in year 2000 by "Sterne und Weltraum". I am the dokument for "the first perpedual and permanent calendar" from "Guinnessbuch-Verlag" oct/1998,

--LenderCarl (talk) 10:05, 12 February 2011 (UTC) --LenderCarl (talk) 10:20, 12 February 2011 (UTC)Reply