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
German Unity Day German Unity Day The Day of German Unity () is the national day of Germany, celebrated on 3 October as a public holiday. It commemorates the anniversary of German reunification in 1990 when the goal of a united Germany, that originated in the middle of the 19th century, was fulfilled (with the exception of Austria and the German cantons in Switzerland). Therefore, the name addresses neither the re-union nor the union, but the unity of Germany. The Day of German Unity on 3 October has been the German national holiday since 1990, when the reunification was formally completed. An alternative