Doomsday Algorithm

The Doomsday Algorithm gives the day of the week for any date (and you can do it in your head)

Added 1994-02-22, Updated 2017-01-03 with examples for 2017


The Doomsday Algorithm is presented in sections. Links are provided in the top right corner of each section.

To learn the Doomsday Algorithm, read the sections in the following order:

Have fun!

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