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 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;