' Inputs: ' y is the specified year ' method is 1, 2 or 3 as detailed below ' Outputs: ' d & m are the returned day and month ' Procedure Calls: ' Function Validate Args() ' Sub Get Easter Date() '==================================================== ' The Gregorian calendar has gradually been adopted world ' wide over from October 1582.
Ron's research was conducted over a period of more than 20 years, and covers aspects of astronomy, calendar history and the Easter Dating methods.
You can see his Easter information at the Astonomical Society of South Australia site.
Of course, churches still using the Julian calendar simply convert their Julian Easter Sunday date to the equivalent date in the Gregorian calendar.
So there are 3 possible ways to calculate Easter date.
This page is for computer programmers who wish to include Easter data calculation code in their programs.
Please be aware that many shorter code segments are littered throughout the Internet.
The Julian calendar had fallen out of alignment in measuring solar years (keeping months aligned with seasons) well before the Gregorian calendar was introduced.
Nevertheless, the Julian calendar is still used today by Orthodox churches as the basis for their Easter.
The Julian calendar applies to the original calculation method from 326 AD, which was the first year a unified Easter Dating method was used.