Holy Week baroque composers were usually intended for performance during the evening of Holy Wednesday, Maundy Thursday and Good Friday. In the Orthodox Church, the forty days of Great Lent end on the Friday before Palm Sunday. The two days that follow, Lazarus Saturday and Palm Sunday, form a transition to Holy Week, neither in Lent nor in Holy Week themselves, but in combination with Holy Week containing the continuing observances in preparation for Pascha (Easter), during which the faithful continue to fast. Lazarus Saturday commemorates Jesus' raising of Lazarus from the dead, just before he went to Jerusalem himself. The main
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