Ok all you Fibonacci forex traders - forget an iWatch, you're gonna need a Fibonacci clock!

Yep - tell the time using the Fibonacci sequence.

Here is how it works (its only accurate to 5-minute intervals .... 9.25, 9.30, 9.35 etc .... its no good for times not ending in 5 minutes).

The squares in his clock have side length 1, 1, 2, 3, and 5. The squares lit up in red tell you the hour, and the squares lit up in green give you the minutes (in multiples of five). A square lit up in blue means it is to be added for both hour and minute. White squares are ignored.

Some examples:

More here: Fibonacci clock: can you tell the time on the world's most stylish nerd timepiece?