Amazing clock
There are a lot of amazing clocks - on your desktop! Analog and digital, electronic and mechanical, modern sporting and elegant antique ones... Convenience features include a multifunctional scheduler capable of playing sounds, screen view of several clocks which display the time in different... After you launch program Amazing clock will be displayed on your desktop along with the new wallpaper, which will be set according to your current theme. ... Several themes are included in the distribution as examples; and you can download more from Amazing clock home page.
http://www.amazing-clock.com/files/aclock.exe - 1Mb - Download - Screenshot

1-st Virtual Multi Zone Promotional Clock
3D animated desktop clock displays time in 3 different time zones at once. Shows all 3 times in a virtual analog display, including hours, minutes and seconds. Innovative and humorous animations and sounds accompany useful features like alarms, notes, reminders, and announcements. ... You can modify the size and desktop location of your clock. ... A desktop clock that goes beyond mere decoration! ... ME Our clocks don't just tell the time the old-fashioned way - they also jump, spin, explode, and perform a variety of animations accompanied by sound, adding a bit of spice to a drab desktop.
http://www.promoclock.com/software/se23.exe - 808Kb - Download - Screenshot

WorldTimer
WorldTimer is a user configurable world clock that can display a number of clocks using different time zones. Each clock can be configured to display with either a digital or analog clock face. The user is able to configure the appearance of the clocks to suit their own tastes. ... This option can be enabled or disabled, and can be set to update your system clock once when WorldTimer starts, or at regular intervals determined by the user. ... If the system clock does need updating, a maximum correction can be tested for.
http://www.CastleSoftware.biz/dl.htm?fn=WorldTimer.exe - 2Mb - Download - Screenshot

Scotts Binary Clock
Scott's Binary Clock is a clock that displays the current time in binary using a LED display. It's a little gadget or conversation piece for your desktop. It really doesn't serve much of a practical purpose, unless your goal is to display the time in a format that nobody but you can read. ... Emphasis has been placed on making the clock cool looking and realistic (the LEDs in the clock were obtained from taking pictures of real-world LEDs). ... You can select from several different sizes and types of binary clock displays.
http://www.sb-software.com/binaryclock/sbbin18.exe - 695Kb - Download - Screenshot

Paraben's World Clock
Paraben's World Clock displays the time anywhere in the world on multiple clock faces. It also keeps your system clock accurate by updating it on demand or daily via the Internet. By using Daylight Savings Time files, Paraben's World Clock helps make sure you know what time it is wherever you... Registered users can take advantage of updated DST files, up to two more sets of clocks, a stopwatch, a countdown clock, and online support.
http://www.paraben.com/programs/pwclock.exe - 3Mb - Download - Screenshot

Clock Tray Skins Lite
View the time, seconds, month, week and day 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. ... " Adding seconds display to system tray clock > Is there any way to have the seconds display > on the system tray clock? ... Systerm Tray Clock > How do I make WinXP Pro's System Tray Clock display > seconds in addition to hours and minutes at all times...
http://www.drive-software.com/download/clocklit.zip - 709Kb - Download - Screenshot

Chronos Clock
Do you need to keep track of time around the world, if so Chronos Clock will solve your problem. Chronos Clock, the desktop clock that is able to display multiple clocks and different time zones. Chronos Clock is simple to install and easy to use. If you need to know the time in other countries... Chronos Clock includes the following features: * Multiple clocks each able to show a different time zone * Each clock can use a standard or user customizable display format. ... * Internet time synchronization using NTP/SNTP time-servers, to keep your PC's clock right up to date.
http://dl.filekicker.com/send/file/156865-1P80/chronos.zip - 2Mb - Download - Screenshot

Global Clock Screensaver
Global Clock screensaver which displays clocks of different cities. A screensaver which is a tool in itself and can be useful in Travel Agencies, Hotels, Global Offices. It also displays Date, days. The center watch displays your local time.
http://www.anirudhsood.com/aniscreen1.zip - 1Mb - Download - Screenshot

Zone Clock
Zone clock is a multi Time Zone clock from UK Software. using a great looking interface, you can choose from over 26 world time zones to be shown on rotation at a user defined interval in seconds. You can also show time zones on demand and even freeze a selected time zone of your choice. ... One of the best features of Zone Clock are the changing backgrounds depending on the current time of day in the zone on display, the clock fully support Daylight Saving Time and automatically compensates for DST if the time zone supports it.
http://www.uk-software.com/downloads/zone.exe - 256Kb - Download - Screenshot

Scotts Nixie Tube Clock
Scott's Nixie Tube Clock is a cool looking clock for your windows desktop that looks like an old-style nixie tube clock. You can also choose to display the clock as a vacuum fluorescent display (vfd). The clock is intended to be a conversation piece and a way to spruce up your otherwise drab... The clock uses a transparent background and window frame that makes it blend right into your desktop. ... Free for non-commercial use.
http://www.sb-software.com/nixieclock/sbnix11.exe - 804Kb - Download - Screenshot