Why does a week have seven days? What would happen if we had, say, an eight-day week or a six-day week? Kevin Dawson, London
Post your answers (and new questions) below or send them to [email protected]. A selection will be published next Sunday.
Why does a week have seven days?
The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts
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