This looked incredibly non-obvious until I looked at the page in a much smaller window and the numbers became very easy to spot. Cool idea. Not how I imagined it from the description.
Thanks for this, it's the morning here and I was squinting way too hard to see where the hell would the analog clock of sorts be. "Maybe it's the rocks position?"
To GP: really cool idea, it'd make for a nice screensaver in an always on display!