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
Byzantine calendar except that: The leap day of the Byzantine calendar was obtained in an identical manner to the bissextile day of the original Roman version of the Julian calendar, by doubling the sixth day before the calends of March, i.e., by doubling 24 February. The "Byzantine World Era" was gradually replaced in the Orthodox Church by the "Christian Era", which was utilized initially by Patriarch Theophanes I Karykes in 1597, afterwards by Patriarch Cyril Lucaris in 1626, and then formally established by the Church in 1728. Meanwhile, as Russia received Orthodox Christianity from Byzantium, she inherited the Orthodox Calendar based on