Easter is a principal festival of the christian church that celebrates the resurrection of jesus christ on the third day after his crucifixion.. In the new testament of the bible, the event is said to have occurred three days after jesus was.
The easter dates also affect when ash wednesday, holy thursday, good friday, holy saturday, the feast of the ascension and pentecost occur in a given year.. Easter is a spring holiday unlike any other—its date changes every year, guided not by the calendar alone but by the cycles of the moon.