> ( ) having one or two days per year which are part of no month is stupid Are you calling the Ancient Egyptians stupid? I think you are. https://en.wikipedia.

> ( ) having one or two days per year which are part of no month is stupid Are you calling the Ancient Egyptians stupid? I think you are. https://en.wikipedia.org/wiki/Egyptian_calendar https://en.wikipedia.org/wiki/Egyptian_calendar And the Aztecs. https://en.wikipedia.org/wiki/Nēmontēmi https://en.wikipedia.org/wiki/Nēmontēmi