Who invented the week, and why is it seven days? Days and years make sense as they are linked to natural events, and months less exactly so, but why did we come to think in terms of sets of seven days, or divide the month into four (and a bit)? | AskHistorians Archive Observer

Who invented the week, and why is it seven days? Days and years make sense as they are linked to natural events, and months less exactly so, but why did we come to think in terms of sets of seven days, or divide the month into four (and a bit)?

by Dillscoop

jschooltiger

Not to discourage further answers to this question, but you may be interested in the section of our FAQ on Calendars and Timekeeping.