Mittwoch aus Licht versions of the "Mittwoch" formula: No integral recording of "Mittwoch aus Licht" has yet been released, although all of the components have now appeared. The SWR broadcast the whole opera in October 2003 using selections from the first six of the following CD releases plus the 1998 Bayerischer Rundfunk recording of the dress rehearsal of "Michaelion". Mittwoch aus Licht The four component scenes were separately commissioned and premiered: The staged premiere of "Mittwoch" was given by the Birmingham Opera Company on what would have been the composer's 84th birthday, Wednesday 22 August 2012 at the Argyle Works, a former factory
Eight-day week popularity of the seven-day rhythm won and the eight-day week disappeared. The cycle of seven days, named after the sun, the moon, and the five planets visible to the naked eye, was already customary in the time of Justin Martyr, who wrote of the Christians meeting on the Day of the Sun (Sunday). Emperor Constantine eventually established the seven-day week in the Roman calendar in AD 321. The Celts used periods of darkness such as night and winter to begin their calculations of time. This meant that the first period of time in a "week" was a night, followed by