Determination of the day of the week *104804 + 4, "n" = 104804 and "k" = 4 which implies that August 13, 2009 is the fourth day into the 104805th week since 01/01/0001. 13 August 2009 is Thursday; therefore, the first day of the week must be Monday, and it is concluded that the first day 01/01/0001 of the calendar is "Monday". Based on this, the remainder of the ratio "Base/7", defined above as "k", decides what day of the week it is. If "k" = 0, it's Monday, "k" = 1, it's Tuesday, etc. Determination of the day of the week The determination of the day
Wales when local parishes would celebrate the patron saint of their local church. This celebration died out in the 19th century, to be replaced by Saint David's Day, which is celebrated on 1 March throughout Wales, and by Welsh expats around the world. Commemorating the patron saint of friendship and love, Dydd Santes Dwynwen's popularity has been increasing recently. It is celebrated on 25 January in a similar way to St Valentine's Day: by exchanging cards and by holding parties and concerts. Calan Gaeaf, associated with the supernatural and the dead, is observed on 1 November (All Saints Day). It has