The Romans at one point had a setup where a year was 38 8-day weeks plus a bunch of days over winter when nobody is up to much so there's no point having weeks.

The Romans at one point had a setup where a year was 38 8-day weeks plus a bunch of days over winter when nobody is up to much so there's no point having weeks. https://en.wikipedia.org/wiki/Nundinae https://en.wikipedia.org/wiki/Nundinae