Create a Personal Countdown - Select your own time and date to create a countdown to any event. Once you've created your countdown, you can bookmark or link to it.
Facebook users can use the timeanddate.com Countdown to create and share with their Facebook friends a personalized countdown to a special event.
Users can post the countdown on their wall, a friend's wall or a group's wall.
iPhone Countdown App
timeanddate.com’s countdown application is now available on the Apple iPhone.
It is found in the App Store with the name Countdown Timer Pro.