Easter known as Holy Week, is very special in the Christian tradition. The Sunday before Easter is Palm Sunday, with the Wednesday before Easter being known as Spy Wednesday. The last three days before Easter are Maundy Thursday, Good Friday and Holy Saturday (sometimes referred to as Silent Saturday). Palm Sunday, Maundy Thursday and Good Friday respectively commemorate Jesus' entry in Jerusalem, the Last Supper and the Crucifixion. Maundy Thursday, Good Friday, and Holy Saturday are sometimes referred to as the Easter Triduum (Latin for "Three Days"). Many churches begin celebrating Easter late in the evening of Holy Saturday at a
Last Supper the 1912 Catholic Encyclopedia. The Maundy Thursday church tradition assumes that the Last Supper was held on the evening before the crucifixion day (although, strictly speaking, in no Gospel is it unequivocally said that this meal took place on the night before Jesus died). A new approach to resolve this contrast was undertaken in the wake of the excavations at Qumran in the 1950s when Annie Jaubert argued that there were two Passover feast dates: while the official Jewish lunar calendar had Passover begin on a Friday evening in the year that Jesus died, a solar calendar was also used,