Here's a free timer utility program that offers a novel and interesting way of presenting the current time on your Windows desktop. This is a freeware.
This handy little utility will let you set an alarm to go off whenever you want. Can pop-up an alarm window and even play a sound file of your choice. Sits in the system tray until you need it.
Can't wait until christmas? Santa's Christmas countdown puts a small window on your desktop that shows the time left in days, hours, minutes and seconds.
Desktop Clock is a digital desktop clock that displays time, date and calendar. It is built into your computer and is completely customizable to your tastes. Desktop Clock can be used for deenergizing the computer in given time.
The Windows-Time-Recorder can display valuable statistics about your computer-usage. It can show you, which time of day you prefer, how long your sessions are and even, which programs are started.