Maundy Thursday April 22 inclusive, but these dates fall on different days depending on whether the Gregorian calendar or Julian calendar is used liturgically. Eastern churches generally use the Julian calendar and celebrate this feast throughout the 21st century between April 1 and May 5 in the more commonly used Gregorian calendar. The liturgy held on the evening of Maundy Thursday initiates the Easter Triduum, the period which commemorates the passion, death, and resurrection of Jesus; this period includes Good Friday and Holy Saturday, and ends on the evening of Easter. The Mass of the Lord's Supper or service of worship is
Holy Week during Great Lent—to be blessed by the priest which are then taken back home to be shared by family and friends with joy. On the afternoon of Easter Day, a joyful service called "Agape Vespers" is celebrated During this service the Great Prokeimenon is chanted and a lesson from the Gospel is read in as many different languages as possible, accompanied by the joyful ringing of bells. The Coptic Orthodox Christians fast the Lent for 55 days including the Holy Week which they call Holy Paschal Week. The Friday before Palm Sunday is called "The Concluding Friday of Great Lent".