Still working on wrapping my mind around that.
That said, I have wrapped my mind around 10-day weeks, which in work division work as follows:
โ๏ธโ๏ธ๐๏ธโ๏ธโ๏ธ๐๏ธโ๏ธโ๏ธ๐๏ธ๐๏ธ
Do this 12 times in a year, add a leap day every three months, say to start each season, plus another extra day for new year's, and another extra according to existing leap year rules.