Determination of the day of the week possible to do all the calculations in one's head with a little practice). None of the methods given here perform range checks, so unreasonable dates will produce erroneous results. Every seventh day in a month has the same name as the previous: "Corresponding months" are those months within the calendar year that start on the same day of the week. For example, September and December correspond, because September 1 falls on the same day as December 1. Months can only correspond if the number of days between their first days is divisible by 7, or in other words, if their
Holy Monday Holy Monday Holy Monday or Great and Holy Monday (Greek: "Μεγάλη Δευτέρα", "Megale Deutera") is the Monday of Holy Week, which is the week before Easter. It is the third day of Holy Week in Eastern Christianity, after Lazarus Saturday and Palm Sunday, and the second day of Holy Week in Western Christianity, after Palm Sunday. The Gospels tell us of some of the events that actually occurred on the day of the Biblical Holy Monday. Some of the most notable and recognizable of these were the cursing of the fig tree (, ), the questioning of Jesus' authority (),