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Star Sync
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Product Guide



  Pro -  complete time sync solution for single users
  Sentry  - stops unauthorized clock changes
  Client/Server -
keeps networks in sync
  Enterprise -
central network time controller
  Star Sync -
gets time from GPS satellites
Radio Sync - gets time from NIST WWVB radio broadcast

Did you know...

  • Most internal PC clocks gain or lose from 15 to 120 seconds each day.
  • The U.S. National atomic clock can be accessed over the Internet.
  • ClockWatch will synchronize your PC clock to NIST's Atomic Clock so you will never have set your PC's clock again!
  • We have the right solution for both single users and large networks.


"Our favorite time utility"

4 stars


5 cows

How to Order
System Requirements
More information


Due to deficiencies in the original PC design, clocks in computers are notoriously inaccurate. They can drift from several seconds to several minutes each day. That drift in time can be anywhere from a simple annoyance to a major issue.

ClockWatch keeps the time in your computer set accurately by regularly comparing your system clock to the "atomic" clock at the National Institute of Standards and Technology (NIST), accessible over the Internet.  ClockWatch sets your computer's clock to within +/- 1 second of Coordinated Universal Time (UTC).


The ClockWatch product family includes:

  • Pro - the complete computer sync solution for individual users

  • Sentry  - stops unauthorized clock changes

  • Client/Server - keeps a network in sync

  • Enterprise - central time control console for a network

  • Star Sync - gets time from GPS satellites

  • Radio Sync - gets time from WWVB radio broadcast

  • ClockCard - precise clock on a PC card


ClockWatch offers you a variety of options for updating your computer's clock and managing the information, ranging from a simple, hands-off approach to a closely- managed process.  In summary, these features include:
  • Makes your computer clock a precision time keeper - synchronizes your clock with the US cesium atomic clock, the world's most accurate clock.
  • Keeps system clock accurate automatically - just set it once and ClockWatch does the rest.
  • Ensures that your system clock doesn't drift over time, and provides graphic display of your clock's performance
  • Options to set your clock manually or automatically on a regular basis.
  • Synchronize your clock using the Internet or direct modem dial-up, plus other options.
  • The program may be run as a regular Windows application, from a system tray, from a command line, or as a Windows Service.
  • Online documentation, as well as free customer support from Beagle Software.

Read more about ClockWatch features and benefits.


Pro & Sentry prices
Client/Server prices
Enterprise prices
Star Sync prices
Radio Sync - prices

Compare each edition. 

How to Order

Download a free evaluation copy from our download site

System Requirements

For complete information see ClockWatch Specifications.

For more information

Free 30-day Trial
Software Updates
Product Information:
   Detailed Product Guide
   Client/Server Description
   User Manual
   Frequently Asked Questions about ClockWatch
   User and Editorial Comments

Clock and Timekeeping Information:
   OATS Compliance Information
   More About Computer Clocks
   More About Time and Time Standards
   History of Timekeeping

ClockWatch Product Index


For more information on ClockWatch, please complete the information request form.  Or call us toll-free at
(+1 612 370 1091 from outside US/Canada).

ClockWatch is a registered trademark of Beagle Software, Inc.



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