Maundy Thursday normally celebrated in the evening, when Friday begins according to Jewish tradition, as the Last Supper was held on the feast of Passover, according to the three Synoptic Gospels. Use of the names "Maundy Thursday", "Holy Thursday", and others is not evenly distributed. What is the generally accepted name for the day varies according to geographical area and religious affiliation. Thus, although in England "Maundy Thursday" is the normal term, the term is less commonly used in Ireland, Scotland or Canada. People may use one term in a religious context and another in the context of the civil calendar of
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