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
Three-Day Week the Tories said they had all the answers?" The Conservatives ran against Labour Prime Minister James Callaghan who on his arrival back from a conference in Guadeloupe played down the crisis. The Conservatives' message prevailed, and Margaret Thatcher became prime minister. Their main campaign slogan was "Labour Isn't Working". Three-Day Week The Three-Day Week was one of several measures introduced in the United Kingdom by the Conservative Government to conserve electricity, the generation of which was severely restricted owing to industrial action by coal miners. The effect was that from 1 January until 7 March 1974 (also the same month