16:4216:42, 2 October 2011diffhist−442
Perpetual calendar
Major rework of algorithm. Old one was too complicated and confusing. Leave pointer to Zeller's congruence for those who want to see the ugly details. Reword to be less "how to".
23:2623:26, 15 September 2011diffhist−44
Perpetual calendar
Speculative "Exegian" calendar cannot take precedence over established Gregorian in use worldwide today. It doesn't even have an article on WIkipedia! (See talk)