CruiseMates (this forum) also offers a countdown clock that you can use. Mike M. one of the CM Community Leaders explained it like this in one of his earlier posts.
Originally Posted by Mike M
Copy this: Include the brackets at the beginning and "My Ship".
[img]http://cruise-forums.com/countdown.php?month=12&year=2005&day=25&hour=16:00[/img] My Ship
Click on Profile at the top of this page: This will take you to your Profile.
Paste the clock into your signature box that is at the bottom of your profile.
Change the dates in the clock: In the clock above the Month is 12 (Dec), Year is 2005, Day is 25th, Hour is 16:00 (4 PM). 12/29/2005 at 4:00 PM
Only change the numbers and leave all the other things alone. Keep the time as a 24 hour number with the colon.
Change "My Ship" to the name of your ship.
Then hit Submit at the bottom of your Profile. Your Countdown Clock will appear at the bottom of each post.