1)   Free Desktop Clock 2.1
View the time, day, and date in different skins in the Windows system tray clock. Free Desktop Clock is the advanced replacement for standard Windows tray clock. Over 50 skins are included in the distribution. It's also an atomic-time synchronizer.
Desktop Clock, Windows Clock, Tray Clock, Show Seconds Tray Clock, Show Date Tray Clock, Windows XP Clock,

 2)   ZoneTick 2.7.0
The ZoneTick download replaces Windows system clock with a multiple time zone clock, utilizing skins, alarms, and double-click actions for each timezone. A taskbar utility for anyone traveling or doing business overseas. Auto-daylight saving shift.
clock, clocks, time, time zone, time zones, timezone, taskbar clock, system clock, international time, world time,

 3)   Global Time Synchronizer 1.0
Global Time Synchronizer is a versatile time keeping tool that has many features including the ability to modify the look of your standard desktop clock, an easy-to-use, convenient interface that uses skins to modify its appearance and much more.
time, clock, synchronization, synchronizize, sync, synch, time sync, time, synch, clock replacement,

 4)   Clock Tray Skins Lite 2.1
View the time, day, and date in different skins in the Windows system tray clock. Clock Tray Skins is the advanced replacement for standard Windows tray clock. Over 50 skins are included in the distribution. It's also an atomic-time synchronizer.
Desktop Clock, Windows Clock, Tray Clock, Show Seconds Tray Clock, Show Date Tray Clock, Windows XP Clock,