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
Royal Maundy churches or communities, on the recommendation of clergymen of various Christian denominations. Generally, recipients live in the diocese where the service is held, although this was altered for the 2011 and 2012 services. Maundy money is struck in denominations of one penny, two pence, three pence, and four pence. Until the 18th century the coins given were from the circulating coinage, and it was not until the latter half of the century that the four Maundy coins developed as distinct, noncirculating pieces. The obverse design of the coins features the reigning monarch. The reverse, with a crowned numeral enclosed by