Determination of the day of the week the day of the week without any calculations. Examples: December is in row F and 26 is in column E, so the letter for the date is C located in row F and column E. 93 (year mod 100) is in row D (year row) and the letter C in the year row is located in column G. 18 ([year/100] in the Gregorian century column) is in row C (century row) and the letter in the century row and column G is B, so the day of the week is Tuesday. October 13 is a F day. The letter F
Dienstag aus Licht of the bicentenary of the French Revolution in 1989. However, the administration of the ensemble declined to perform it after being informed of the requirements. Consequently, the score was not worked out until 1990 . The solo synthesizer part together with the electronic music for the closing five scenes of this act ("Pietà", "Explosion", "Jenseits", "Synthi-Fou", and "Abschied") constitute Stockhausen's "Klavierstück XV" . The score is dedicated to the composer's son, Simon Stockhausen, who gave the premiere performance at the Museum Ludwig in Cologne on 5 October 1992. "Dienstag" as a whole was originally commissioned by the Teatro alla Scala,