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
40 Wall Street the height of his project and then publicly claimed the title of the world's tallest building. (This distinction excluded structures that were not fully habitable, such as the Eiffel Tower.) Construction of 40 Wall Street began in May 1929 at a frantic pace, and it was completed twelve months later. In response, the Chrysler's architect William Van Alen obtained permission for a long spire and had it secretly constructed inside the frame of the building. The spire was delivered to the site in four different sections. On October 23, 1929, the day before the catastrophic Wall Street Crash of 1929