Maundy Thursday have an Anglican patrimony, retain the traditional English term "Maundy Thursday", however. An article in the 1911 "Catholic Encyclopedia" used the term "Maundy Thursday", and some Catholic writers use the same term either primarily, or alternatively. The Methodist "Book of Worship for Church and Home" (1965) uses the term "Maundy Thursday"; the "Book of Worship" (1992) uses the term "Holy Thursday", and other official sources of the United Methodist Church use both "Maundy Thursday" and "Holy Thursday". Both names are used by other Christian denominations as well, including the Lutheran Church or portions of the Reformed Church. The Presbyterian Church
Leap week calendar Leap week calendar A leap week calendar is a calendar system with a whole number of weeks every year, and with every year starting on the same weekday. Most leap week calendars are proposed reforms to the civil calendar, in order to achieve a perennial calendar. Some, however, such as the ISO week date calendar, are simply conveniences for specific purposes. The ISO calendar in question is a variation of the Gregorian calendar that is used (mainly) in government and business for fiscal years, as well as in timekeeping. In this system a year (ISO year) has 52 or 53