Maundy Thursday of Psalm 21/22, a practice which continues in many Anglican churches. In other Christian denominations, such as the Lutheran Church or Methodist Church, the stripping of the altar and other items on the chancel also occurs, as a preparation for the somber Good Friday service. The Chrism Mass is a religious service held in Roman Catholicism, Lutheranism and Anglicanism. Maundy Thursday is notable for being the day on which the Chrism Mass is celebrated in each diocese. The Chrism Mass is one of the most solemn and important liturgies of the liturgical year. Usually held in the diocesean cathedral, it
Perennial calendar year after year. Advantages claimed for a perennial over an annualized calendar like the Gregorian are simplicity and regularity. Scheduling is simplified for institutions and industries with extended production cycles. School terms and breaks, for example, can fall annually on the same dates. Month-based ordinal dating ("Fourth Thursday in November", "Last Monday in May") will be obsolete. Two methods favored for perennializing the calendar are the introduction of so-called "blank days," and of a periodic "leap week." Blank-day calendars remove a day or two (the latter for leap years) from the weekday cycle, resulting in a year length of 364