Determination of the day of the week row C) to find the dominical letter that is E. The letter for September 18 is B, so the day of the week is Thursday. Use 16 (in the Julian century row, column E) and 76 (in row D) to find the dominical letter that is A. February 23 is a "D" day, so the day of the week is Wednesday. In a handwritten note in a collection of astronomical tables, Carl Friedrich Gauss described a method for calculating the day of the week for 1 January in any given year. He never published it. It was finally included in
Day of the German-speaking Community the German-speaking area ("Gebiet") of Belgium; outside this area, it shall be hoisted on the buildings which, because of their use, are ascribed to the German-speaking Community or are temporarily put at its disposal. In the German-speaking area of Belgium, the flag shall be further hoisted on the administrative buildings under the same conditions and on the same days as the Belgian national flag. Source: Official website of the German-speaking Community Day of the German-speaking Community The Day of the German-speaking Community is a holiday in Belgium celebrated on 15 November each year. It is a public holiday for the