This program allows you to compare your PC clock with a number of external sources. You may have an Internet or GPS time service, but is your PC accurately synchronised to those sources, and how do they compare with one another? For the most accurate synchronisation, your PC needs an NTP client, which will Connect to an NTP service on the Internet. Perhaps your ISP already provides such a service?
What is NTP? It's the Network Time Protocol. As you can see from the screenshot below, it enables you to keep your PC within a fraction of a second of the correct time. Please see the NTP Web pages for more Details about NTP.
Find out more about my own experiences of running NTP on Windows.
Take a look at my current NTP performance graphs.
Can you recommend any easy-to-use NTP software for Windows? There is a port of the official NTP software for Windows available from Meinberg - ideal if you have a PC which stays on 24-hours a day. Previously, I had used and registered Tardis, a British product that runs under all versions of Windows and provides a very easy route into NTP
