But Now Why Easter Sunday Changes Almost Every Year.
It is a known fact that Easter Sunday usually falls anywhere between Mort's 22nd and April 21. It is also a fact that the eastern orthodox churches celebrate Easter on a different day and the west and churches.
But why?
Here is the simple reason why:
The western churches use what is called the Gregorian calendar, click the date of Easter board of the eastern orthodox churches uses the Julian calendar. That's the main reason why the dates for Easter keep changing.
You can read more about it on a wonderful article written by Mary Fairchild on about.com