official Communist newspaper, and in both Soviet calendars displayed here. The traditional names of the seven day week continued to be used, including "Resurrection" (Воскресенье) for Sunday and "Sabbath" (Суббота) for Saturday, despite the government's official atheism. Irregular weeks The "Hermetic Lunar Week Calendar" is a strictly lunar calendar, apparently proposed to illustrate the complications of astronomically based calendars. Its unique feature is irregular-length "weeks" which average approximately days each. The weeks are fixed by the astronomical phases of the moon; the last day of the week fixed to coincide with a new-moon, first quarter-moon, full-moon, or third quarter-moon. Although typical months have three weeks of 7 days and one week of 8 days (29 day month) or two weeks of 7 days and two weeks of 8 days (30 day month), due to variations in the moon's orbit, the weeks in the Hermetic calendar range 6–9 days. See also Determination of the day of the week GPS week number Names of the days of the week Workweek and weekend Notes References Further reading Units of time