Workweek and weekend

The workweek and weekend are those complementary parts of the week devoted to labour and rest, respectively. The legal working week (British English), or workweek (U.S. English), is the part of the seven-day week devoted to labour. In most of the Western world it is Monday to Friday; the weekend is a time period including Saturday and Sunday. A weekday is any day of the working week. As well as places of work, other institutions often follow the same days, such as places of education.

Some people extend the weekend to Friday nights as well. In some Christian traditions, Sunday is the "Lord's Day" and the day of rest and worship. Jewish Shabbat or Biblical Sabbath lasts from sunset on Friday to the fall of full darkness on Saturday, leading to a Friday–Saturday weekend in Israel. Some Muslim-majority countries historically had a Thursday–Friday or Friday–Saturday weekend; however, recently many such countries have shifted from Thursday–Friday to Friday–Saturday, or to Saturday–Sunday. The French Revolutionary Calendar had ten-day weeks (called décades) and allowed décadi, one out of the ten days, as a leisure day.