Eco-Logical calendar (more artform than calendar)

This past year I've been looking into the ways in which the structure of timekeeping affects the way people think (chronopsychology?). This was the subject of much discussion and would have been a workshop if I'd been able to synthesize the information, but nothing gelled as of last June. Today I ran across this (bought myself a copy):



Aside from being very pretty, it may be useful for experimenting with differing methods of timekeeping. If nothing else, it's a very pretty calendar.