Easter Sunday is the most significant and joyful holiday in Christianity. It commemorates the resurrection of Jesus Christ from the dead, as described in the New Testament, marking the culmination of Holy Week and the 40-day season of Lent.

Orthodox Easter, also known as Pascha, is the most important and joyous celebration in the Eastern Orthodox Church, commemorating the resurrection of Jesus Christ. It is the culmination of Holy Week and the central event of the Orthodox liturgical year.