spiral clock by pixelpusher AKA (@evanraskob)
source code is on github (license below)

Creative Commons License
spiral html5 clock by pixelpusher is licensed under a Creative Commons Attribution 3.0 Unported License.
Based on a work at https://github.com/pixelpusher/svgclock.
Permissions beyond the scope of this license may be available at http://pixelist.info.