Determination of the day of the week his adjustments for centuries are to be determined using formulas similar to those for the centuries table. Although explicit in asserting that his method also works for Old Style dates, his example reproduced below to determine that "1676, February 23" is a Wednesday only works on a Julian calendar which starts the year on January 1, instead of March 25 as on the "Old Style" Julian calendar. Algorithm: Take the given date in 4 portions, viz. the number of centuries, the number of years over, the month, the day of the month. Compute the following 4 items, adding each, when
German Unity Day population because of discontent for increased working hours would be seen as a provocation and devaluing the national holiday. In addition, fixing the Unity Day on the first Sunday of October would have meant that it would sometimes fall on 7 October, which happens to have been the national day of East Germany; this date would thus have been seen as commemorating the division of Germany rather than the reunification. The idea was dropped after a short but angry debate. The Day of German Unity is celebrated each year with a ceremonial act and a citizens' festival (""). The celebrations