T-Minus St. Patrick's Day Countdown Cost: $9 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions T-Minus St. Patrick's Day Countdown: T-Minus St. Patrick's Day Countdown Clock. Count down the time until St. Patrick's Day. Play our Irish jig .You don't need to be from the Land of Green to get excited about March 17, and our Countdown Clock will build your anticipation.