7 days (and almost certainly the cultural popularity of 7) is due to there being 7 regular, unique moving make eye objects in sky. Sun, moon, mars, Venus, Jupi

7 days (and almost certainly the cultural popularity of 7) is due to there being 7 regular, unique moving make eye objects in sky. Sun, moon, mars, Venus, Jupiter, Saturn, mercury. https://astronomy.com/news/2020/01/why-does-a-week-have-seven-days https://astronomy.com/news/2020/01/why-does-a-week-have-seve...