Mittwoch aus Licht and Music Theatre. Wednesday is the day of cooperation and reconciliation among Michael, Eve, and Lucifer, and its exoteric colour is bright yellow . The following list of 24 "scenic features" of the whole opera is found in the preface to the score of its final scene : "Mittwoch" is in four scenes, which are preceded by a greeting and followed by a farewell. The "Wednesday Greeting" consists of the electronic music from the fourth scene, "Michaelion", and is played in the foyer amidst flues, winds, blowers, kites, balloons, and flying doves . The World Parliament convenes in a session
Determination of the day of the week his collected works in 1927. Gauss' method was applicable to the Gregorian calendar. He numbered the weekdays from 0 to 6 starting with Sunday. He defined the following operation: The weekday of 1 January in year number is where is the remainder after division of by , or modulo . This formula was also converted into graphical and tabular methods for calculating any day of the week by Kraitchik and Schwerdtfeger. Another variation of the above algorithm likewise works with no lookup tables. A slight disadvantage is the unusual month and year counting convention. The formula is where For example,