Tray clock, with the look and feel of the standard Windows tray clock, but it can display up to nine further times in different timezones.
40tude Time feature list:
Tray clock, with the look and feel of the standard Windows tray clock, but it can display up to nine further times in different timezones.
Time synchronizer that gets the time from an Internet timeserver and sets your system clock. Automatic background mode that corrects your clock in intervals is included.
Breathtaking, photo-realistic rendered images of the current illumination of earth, that can be used as the Windows desktop wallpaper.
Calendar, showing public holidays in countries around the world.
Screensaver that scrolls the rendered image of the current illumination of earth.

The license of this software is Freeware, you can free download and free use this digital clock & timer software.