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Doomsday rule: Difference between revisions

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Revision as of 08:24, 30 April 2004 editKarl Palmen (talk | contribs)Extended confirmed users2,428 edits Stub  Revision as of 08:29, 30 April 2004 edit undoFredrik (talk | contribs)23,349 editsm wikifyNext edit →
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The ''Doomsday algorithm'' for calculating the day of the week makes use of the fact that in each year, The '''Doomsday algorithm''' for calculating the day of the week makes use of the fact that in each year,


4 April (4/4) 4 April (4/4)
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are all the same day of the week. This day of the week is called ]. The algorithm also defines 9/5 and 7/11 and their reverses to be Doomsday. are all the same day of the week. This day of the week is called ]. The algorithm also defines 9/5 and 7/11 and their reverses to be Doomsday.


The Doomsday Method was invented by ]. The Doomsday algorithm was invented by ].

This page is a ]


=== External Links === === External Links ===
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Revision as of 08:29, 30 April 2004

The Doomsday algorithm for calculating the day of the week makes use of the fact that in each year,

 4 April (4/4)
 6 June  (6/6)
 8 August (8/8)
10 October (10/10) and
12 December (12/12)

are all the same day of the week. This day of the week is called Doomsday. The algorithm also defines 9/5 and 7/11 and their reverses to be Doomsday.

The Doomsday algorithm was invented by John Horton Conway.

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