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
Responsories for Holy Week text are by Tomás Luis de Victoria (two settings for four voices: 1572 and 1585), Carlo Gesualdo (five voices: 1603; six voices: 1611), and Pablo Casals (mixed choir: 1932). Based on . A german version of the text of this responsory is set as "Der Gerechte kömmt um". Poulenc set it as the seventh of his "Sept répons des ténèbres". The three lessons for the third nocturn of Holy Saturday are , and respectively. Sixth of Poulenc's "Sept répons des ténèbres" Responsories for Holy Week Responsories for Holy Week (Latin: Responsoria pro hebdomada sancta) are three sets of nine responsories,