Royal Maundy "Maundy", and the Royal Maundy service evolved from Jesus' command to his disciples. By the fourth or fifth century a ceremony had been developed following Holy Communion on Maundy Thursday, in which high Church leaders washed the feet of the poor. The ceremony, known as the "pedilavium", was performed daily in some monasteries; in 992, Bishop Oswald of Worcester died during its performance. The first English monarch to be recorded as distributing alms at a Maundy service was John, who on 15 April 1210 donated garments, forks, food, and other gifts to the poor of Knaresborough, Yorkshire. John is also
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