Week

A week is a time unit equal to a number of days, now usually seven days. Weeks of between 4 and 20 days have been used historically in various places. The Igbo of Nigeria have a traditional calendar with a 4-day week. This "market week" features prominently in the fiction of Chinua Achebe. The Javanese people of Indonesia have a 5-day week known as the Pasaran cycle. This is still in use today and superimposed with Gregorian calendar and Islamic ... more

A week is a time unit equal to a number of days, now usually seven days. Weeks of between 4 and 20 days have been used historically in various places. The Igbo of Nigeria have a traditional calendar with a 4-day week. This "market week" features prominently in the fiction of Chinua Achebe. The Javanese people of Indonesia have a 5-day week known as the Pasaran cycle. This is still in use today and superimposed with Gregorian calendar and Islamic calendar to become what is known as the Wetonan Cycle. Between 1929 and 1931 USSR changed from the 7-day week to a 5-day week. There were 72 weeks and an additional 5 national holidays inserted within 3 of them totaling a year of 365 days. In 1931 after the Soviet Union's 5-day week they changed to a 6-day week. Every 6th day (6th, 12th, 18th, 24th and 30th) of the Gregorian Calendar was a state rest day. The 5 additional national holidays in the earlier 5 day week remained and did not fall on the state rest day. But as January, March, May,... less