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 the intended design objective. The tabular forerunner to Tøndering's algorithm is embodied in the following K&R C function. With minor changes, it was adapted for other high level programming languages such as APL2. Posted by Tomohiko Sakamoto on the comp.lang.c Usenet newsgroup in 1992, it is accurate for any Gregorian date. IBM's Rata Die method requires that one knows the "key day" of the proleptic Gregorian calendar i.e. the day of the week of January 1, AD 1 (its first date). This has to be done to establish the remainder number based on which the day of the week is