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
Determination of the day of the week week is where the positive modulus is chosen. The value of is obtained from the following table: The value of is obtained from the following table, which depends on the calendar. For the Gregorian calendar, For the Julian calendar, Charles Lutwidge Dodgson (Lewis Carroll) devised a method resembling a puzzle, yet partly tabular in using the same index numbers for the months as in the "Complete table: Julian and Gregorian calendars" above. He lists the same three adjustments for the first three months of non-leap years, one 7 higher for the last, and gives cryptic instructions for finding the rest;