Clocks??

http://graphicenzoextended.blogspot.com/2007/11/clock-typography.htmls

http://duvet-dayz.com/archives/2008/08/15/835/
i like that this one is a screensaver made of pure text but it still conveys time.

this is actually a calendar that uses a liquid that takes a full day to be soaked into the number, so the entire thing will be filled up during a month. i thought this was so cool and a really scientific way to look at a calendar