Maundy Thursday name of the Christian rite of footwashing, which traditionally occurs during Maundy Thursday church services. Most scholars agree that the English word "maundy" in that name for the day is derived through Middle English and Old French "mandé", from the Latin "mandatum" (also the origin of the English word "mandate"), the first word of the phrase ""Mandatum novum do vobis ut diligatis invicem sicut dilexi vos"" ("A new commandment I give unto you: That you love one another, as I have loved you, that you also love one another.") This statement by Jesus in the Gospel of by which Jesus
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