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Gaussian Formulae

212 bytes added, 00:42, October 4, 2011
clarification
The formulae:
a = Year mod 4<br>b = Year mod 7<br>c = Year mod 19<br>d = (19c + 15) mod 30<br>e = (2a + 4b - d + 34) mod 7<br>f = Int((d + e + 114) / 31)<br>g = ((d + e + 114) mod 31) + 1<br>f is the month of Pascha.<br>g is the day of Pascha. For example, if f is 3 and g is 27, then Pascha occurs on March 27.
b = Year mod 7Important, this returns the date of Pascha ONLY on the [[Old Calendar]]. To get the Gregorian date, add 13 days during the twentieth and twenty-first centuries.
c = Year mod 19
d = (19c + 15) mod 30 e = (2a + 4b - d + 34) mod 7 f Related Links= Int((d + e + 114) / 31) g = ((d + e + 114) mod 31) + 1 f is the month of Pascha. g is the day of Pascha. For example, if f is 3 and g is 27, then Pascha occurs on March 27. Important, this returns the date of Pascha ONLY on the * [[Old CalendarPaschalion]]. To get the Gregorian date, add 13 days.  ----* Source: Hieromonk Cassian, ''A Scientific Examination of the Orthodox [[Church Calendar'']]
==External Links==
* Source: Hieromonk Cassian, ''A Scientific Examination of the Orthodox Church Calendar'', ISBN 0911165312. Available from [http://users.sisqtel.net/sgpm/ctos/oldcal/SEO.html The Center for Traditionalist Orthodox Studies]
* Programs using these formulae: [http://www.duke.edu/~aa63/menologion.html ''Menologion'']
 
==Related Links==
* [[Paschalion]]
*[[Church Calendar]]
[[Category:Church Life]]
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