It's 9 in a Clock - a real-time analogue clock
Real time analogue clock with a dial made from 9 | Vivax Solutions
The dial is made from various combinations of 9, without violating basic math operations.
This is a real-time clock. Please visit the link to see it at work.
Where is math in it?
It is all math: parametric equations determine the coordinate of the points of 'hands'; then, the animation is linked to the clock of your computer to work in sync.
The full source code is also given for you to have a look at.