1st Atomic Time
1st Atomic Time keeps the system time accurate on your computer or any computer in your network. It synchronizes your PC clock with Internet atomic time servers. You can pick the fastest and most reliable servers from the built-in list of more than 150 choices or add your own. ... 1st Atomic Time hides in a small icon near the taskbar clock and does not require desktop space. ... You can configure 1st Atomic Time to operate as a time server. ... 1st Atomic Time can adjust the system time correctly even if you have irregular Windows time zone settings.
http://www.atom-time.com/download/1st-atomic-time.exe - 707Kb - Download - Screenshot

Atomic Clock Sync
This freeware Atomic Clock Sync utility can help you keep your local computer up-to-date with the exact current time. This program will reference an atomic clock server to get the current time with the greatest accuracy available and update your PC's information. ... Atomic Clock Sync will connect to one of the time servers operated by the National Institute of Standards and Technology (NIST) in the United States, and will compare the time of your computer with the time on the servers operated by the NIST.
http://www.worldtimeserver.com/atomic-clock/atomic.exe - 628Kb - Download - Screenshot

PC Atomic Sync
(*) It is an atomic clock synchronizer with some useful features (time offset, synchronize periods, etc. ). The main idea of the program is to synchronize your PC's clock in the most reliable and resource-saving way. (*) The unique Time Offset feature of the program allows setting up your PC... (*) Clock in your PC needs to be corrected only several times a month. ... You can specify the correction period during which the program should synchronize your clock. ... Otherwise the program checks for Internet connection, then tries to synchronize your clock and ends its work if succeeded.
http://www.brigsoft.com/atomic-clock-sync/download/BsAtomicInst.exe - 543Kb - Download - Screenshot

ActiveEarth
ActiveEarth is a world time clock with a gorgeous day/night merge of NASA's Visible Earth satellite images in flat maps or a globe, with a row of user-definable clocks along the bottom. These clocks are beautiful, scalable, ticking, analog clocks that come in several styles with many custom... ActiveEarth can even keep your PC's clock synchronized to an atomic time server. ... Each clock is set to a city of your choice. ... You can set the program to display data for a specific time. ... " Along with the real time view of the day and night portions of the earth, ActiveEarth calculates...
http://www.activeearth.com/Download/AE2_2097.exe - 3Mb - Download - Screenshot

Atomic Clock Service
It is an Internet PC atomic clock synchronizing application with some useful options (time offset, synchronize periods, time sources choosing, etc). This application uses the list of 18 presetting synchronizing URLs all over the world. The list can be easy enhanced. ... The package can be used as personal computer or office workstation synchronizing solution. ... The service program can synchronize PC that works under a user login with restricted rights. ... You can use the consol for options settings, log file viewing and synchronization control.
http://dn.brigsoft.biz/AtomicServiceInst.exe - 605Kb - Download - Screenshot

Chronograph Lite
Chronograph Lite is a simple freeware utility which main function is to synchronize your local PC time using the Internet. For that purpose it uses the National Institute of Standards and Technology (NIST) Atomic Clock servers. It will reference an atomic clock server to get the current time... It is very stable, the program automatically connects to another server when the current server is down. ... Chronograph automatically detects local time zone and Daylight Saving Time correction (no manual settings needed).
http://www.altrixsoft.com/download/chronolt.exe - 1Mb - Download - Screenshot

JCOM Clock Synchronizer
JCOM Clock Synchronizer keeps time on your computer always accurate by checking your system clock against the highest precision atomic clock servers. If any difference occurs the program may correct your system time automatically or just display the difference and let you do this manually. ... JCOM Clock Synchronizer can be used as a local time server with other networked computers checking their system time against it. ... When you need, you can easily access the Clock Synchronizer's main functions by right-clicking its system tray icon and bringing up the context menu.
http://www.jcom-research.com/files/jcsinst.exe - 448Kb - Download - Screenshot

0S Non-Proxy Atomic Sync
A standard synchronizing program will not work if NTP (Network Time Protocol) is suppressed by a proxy or a firewall. This synchronizer uses plain access to WWW pages that show standard GMT time. It will work if you have access to Internet Web pages. ... Otherwise the program checks for Internet connection, then tries to synchronize your clock and ends its work if succeeded. ... The unique Time Offset feature of the program allows setting up your PC clock to gain or to lose for a specified interval.
http://www.brigsoft.com/atomic-clock-sync/download/BSAtomicNPInst.exe - 522Kb - Download - Screenshot

ClockWise
ClockWise is the ultimate time utility for Windows. Includes a digital clock, time client, calendar, timer, stopwatch, dial-up network timer, scheduler, and reminder system. You can automate everything! You can schedule up to 200 external or built-in events! ... Built-in options include system reboot, shutdown, automatically setting the system time to the atomic clock at NIST or any Internet NTP server, connection or disconnection from the Internet and Active Desktop refresh. ... On-line timer log includes daily, weekly and monthly stats.
http://www.rjsoftware.com/files/CW_330.zip - 761Kb - Download - Screenshot

PalmaryClock Wireless Edition for Treo 600/650
PalmaryClock Wireless Edition s not just an improved clock, it is a technological breakthrough. Your Palm can now be not only a powerful organizer but a real-time assistant in your business! Nowadays it is very important to have the latest reliable information, and with the help of PalmaryClock... com) - Currency Converter - Atomic Time Syncronization - Wireless autoupdate - An ability to specify the button to switch on the device and automatically start PalmaryClock. ... Features - Weather Forecast for 1300 cities (provided by AccuWeather.
http://www.palmarysoft.com/products/clock/wireless/PClockW_v10.zip - 2Mb - Download - Screenshot