Licht some cases—portions of scenes. These modules may be segments (e.g., the eleven instrumental solo sections from "Orchester-Finalisten" from "Mittwoch"), or layers (e.g., the electronic "Oktophonie" layer from the second act of "Dienstag" or the "Klavierstück XIII" version of the first scene of "Samstag" ("Luzifers Traum"), with the bass voice omitted), or a combination of the two (e.g., the vocal sextet "Menschen, hört" and the "Bassetsu-Trio", which are two layers of the "Karusel" subscene from "Michaelion", the fourth scene of "Mittwoch"). There are seven operas, each named for a day of the week, whose subject matter reflects attributes associated in traditional
Determination of the day of the week January 1, 2000. (year − 1 for January) formula_3 formula_4 Note: The first is only for a 00 leap year and the second is for any 00 years. The term mod 7 gives the values of months: The term mod 7 gives the values of years: The term mod 7 gives the values of centuries: Now from the general formula: formula_5; January 1, 2000 can be recalculated as follows: formula_6 formula_7 Kraitchik proposed two methods for calculating the day of the week. One is a graphical method. The other uses a formula that he credits to Gauss on p. 110: