a collection of hand-drawn drawings illustrating how people see the passage of time.
see also hand-drawn sheep market & doodle graphs & invoice drawings & illustrated idioms.
Oh wow, this is great.
I do this, but rotated differently:
http://www.icastic.com/time/icones/0168.jpg (for me, summer is at the top, fall on the left, winter on the bottom, and spring on the right).