Imagine the scenario, you're out for a walk in the countryside, without a watch, or any knowledge of how the height of the sun correlates with the time. What you need is a timed flat cap, whereby the peak peaks at, as noon, and then continues to fall until, say midnight. Now, without so much as a thought, a quick glance at your brim will tell you the time.-- neilp, Dec 24 2003 ... and you are always perfectly shielded from the sun. lovely. +-- jonthegeologist, Dec 24 2003 Bonus points for concept sketches. Very nice, Neil!-- Letsbuildafort, Dec 24 2003 random, halfbakery