A week is a period of seven days in a row, usually starting on Sunday or Monday.
“Week” comes from Old English “wice” or “wicu,” meaning “a turn, a series of days.” It is linked to older Germanic words about a cycle or sequence.
The seven-day week doesn’t match the sun or moon exactly, yet it has survived for thousands of years across cultures. It’s a human-made rhythm that now rules school timetables, paydays, and rest days worldwide.
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