Easter is the annual celebration of the resurrection of Jesus Christ. and the principal feast of the Christian year. It is celebrated on a Sunday on varying dates between March 22 and April 25. Easter is a culmination of a entire week. The Sunday before Easter is called Palm Sunday. It is celebrated to remember the entry of Jesus into Jerusalem. Holy Thursday, which is also known Maundy Thursday is in memory of the Last Supper of Christ with his disciples. Good Friday commemorates his crucifixion on the cross.