Geckoboard Countdown

1.  http://yourDashboardName.geckoboard.com/edit
2.  Add Widget
3.  Custom Widgets
4.  Label:  Days Until ____

5.  URL data feed:

http://geckocountdown.appspot.com/?date=2014-12-25&tz=0
Update 2014-12-25 to the date you're counting down to

6.  Data Feed format: XML
7.  Update Widget

RESULT:












REFERENCE
POSTED BECAUSE
The advertised countdown widget (http://www.geckoboard.com/countdown-widget) not found in tool.