Windows/Mac: PolarClock is a novel screen saver that displays the passage of time in a series of shrinking concentric circles. Each division of time is represented as a separate circle, with circles ...

PolarClock description At last—a screensaver that trumps the Ken Burns-effect slide show of that hike to Waimea Falls!

Here's two more cool ways to figure out what time it is, because sometimes you just can't look out a window. Never wonder what time it is again! As for showing up on time, that one's still up to you.