Holy Week in Mexico until only the center candle, representing Jesus, remains lit. Holy Week begins on Palm Sunday, and many communities have special masses dedicated to the blessing of palm fronds. These fronds are often woven into crosses and other designs, sometimes quite intricate and brought by parishioners to have holy water sprinkled on them. Some fronds are later burned and the ashes saved for marking foreheads on the following Ash Wednesday. Maundy Thursday is the beginning of the celebration of Easter proper. Cathedrals in the country have special masses celebrated by bishops, with “chrism” a sacred oil used in the sacraments, is
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