Maya calendar and clock

http://en.wikipedia.org/wiki/Maya_calendar
http://www.mayacalendar.com/
http://zapatopi.net/zapatoware/clocks.html
http://appworld.blackberry.com/webstore/content/64880/?lang=en
http://itunes.apple.com/us/app/a-mayan-clock/id394141750?mt=8
http://savant7.com/mayan-countdown-clocks.php
http://itunes.apple.com/us/app/mayan-clock/id300743786?mt=8
http://download.cnet.com/The-mayan-clock/3000-2350_4-10939370.html
http://www.appbrain.com/app/mayan-clock-free/com.pollotech.clockfree