Doogie Horner, author of Everything Explained Through Flowcharts designed a chart about the work habits of the moon and sun.
Here's another flow chart that Doogie created especially for Boing Boing.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects