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
360-day calendar used a 360 day calendar. Romans initially used a calendar which had 360 days, with varying length of months. The Rig Veda describes a calendar with twelve months and 360 days. In the Mayan Long Count Calendar, the equivalent of the year, the tun, was 360 days. A duration is calculated as an integral number of days between start date A and end date B. The difference in years, months and days are usually calculated separately: There are several methods commonly available which differ in the way that they handle the cases where the months are not 30 days long,