Chronos Atomic Clock Synchronizer
Chronos Atomic Clock Synchronizer is a utility for people who need their computers to use exact time. The program connects to various atomic clock timeservers and synchronizes your internal clock with time provided by these servers. Key benefits: connects on many atomic clock time servers; you... Some other features: starts up automatically minimized to the tray; updated server list; shorter latency time for synchronizing; faster connection to the sync servers. ... 1 seconds.
http://www.aresgalaxyonline.com/downloads/chronos_setup.exe - 761Kb - 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 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. ... The package can be used as personal computer or office workstation synchronizing solution.
http://dn.brigsoft.biz/AtomicServiceInst.exe - 605Kb - Download - Screenshot

Trout's Internet Clock
TIC is a Desktop Clock, Scheduler and Time Synchronizer all-in-one. Personalize and liven up your desktop, manage your time and synchronize your system clock. Design your own clock or import graphics. Schedule hourly chimes, multimedia or text reminders and run programs. ... Features dynamic system tray icon, semi-transparent clocks, and an editable list of about 50 Internet Time Servers. ... NTP client.
http://www.winsite.com/info/pc/win95/desktop/tic16bl.zip - 1Mb - Download - Screenshot

#1 Atomic Clock
Atomic Clock lets you synchronize your computer's clock with any Internet atomic clock (time server). It uses a high-precision network time protocol (NTP) which provides accuracy of several milliseconds depending on the characteristics of the synchronization source and network paths. ... Features: Skinned, Work as Time Server, Synchronize Periods, Import Time Servers List!
http://www.freefileszone.com/atomic-clock/download/acdemo.exe - 488Kb - Download - Screenshot

PresenTense NTP Auditor
PresenTense NTP Auditor monitors your computer's built-in clock and compares it's time to the real time. Most computer clocks lose or gain time so within a few days, your computer does not show the real time. Many software packages claim to synchronize your computer to atomic clocks or satellite... The full version even supports printing running logs to a line printer. ... PresenTense NTP Auditor can save logs for days, months and years so you can PROVE what time your computer had at any given point.
http://www.bytefusion.com/download/bin/ptademo.exe - 2Mb - Download - Screenshot

WebTime 2000
WebTime is a small utility program that will synchronize your PC's internal clock with one of the several atomic clocks maintained by the United States National Institute of Standards and Technology.
http://www.gregorybraun.com/WEBTIME.ZIP - 167Kb - Download - Screenshot

On-Time Atomic Clock Sync
Synchronize your PC's clock with internet atomic clock servers
http://calendarconstructer.com/on_time_atomic_clock_sync.exe - 420Kb - Download - Screenshot

Project Clock CE
Project Clock CE is an easy to use project time tracking system for Pocket PC handhelds. Project Clock CE is a useful software package for consultants, lawyers, engineers or any other busy on-the-go professionals who must keep track of time billed to different projects. ... Project Clock CE can synchronize data with Project Clock for Windows.
http://www.cybermatrix.com/download/pccesetup.exe - 53Kb - Download - Screenshot

Trouts Talking Internet Clock
* Liven up & personalize your desktop with an Analog Clock face using any picture you like * Add an analog clock to your system tray * Remember Birthdays, Anniversaries, Appointments, Meetings etc with a Message, Song, Multimedia Presentation or a Microsoft Agent character * Set applications to... * Dynamic Icons -Trout's Internet Clock's icons are functional clocks. ... * Customizable Language Support means you can easily change text and hints on TICs windows either to another language or to your own cooler wording.
http://chemware.co.nz/tic23_sw.exe - 947Kb - 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... Otherwise the program checks for Internet connection, then tries to synchronize your clock and ends its work if succeeded. ... You can specify the correction period during which the program should synchronize your clock.
http://www.brigsoft.com/atomic-clock-sync/download/BsAtomicInst.exe - 543Kb - Download - Screenshot