From Desktop Clock:
Countdown Timer is a simple Windows application that allows both to count down the time from the set date as well as to monitor the current date and time. Countdown Picker window can be freely placed on the desktop. Unlocked version allows you to change the background color and set any color of digits, also allow you to save your current settings. Application icon in the system tray has features to hide the main window, set the program window on top of other windows, access to program settings, close the countdown ticker.