Chronograph synchronizes your local PC clock using atomic-time servers - Windows Freeware. 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 with the greatest accuracy available and update your PC's local time. The program has an easy-to-use, nice-looking interface, so you can adjust your time with just two mouse clicks. Chronograph automatically detects local time zone and Daylight Saving Time correction (no manual settings needed). It is very stable, the program automatically connects to another server when the current server is down.