iTimeSync

Keep the clock of your PC, or even your whole LAN, synchronized to the correct time with iTimeSync. This can be done manually, with no configuration needed, by simply running the program and pressing "Correct".

Alternatively, iTimeSync can also be set to automatically synchronize any minute / hour / day period and/or can be run as a Windows Service so it runs automatically and transparently in the background. iTimeSync supports both the RFC-868 (TIME) and the RFC-2030 (SNTP) protocols. Additionally, iTimeSync can even sync from another copy of iTimeSync on different computer as it can be used as a TIME server over a LAN.
While servers names are included, this list can be easily changed, for example, to servers that are closer to your locality or to a local server on your LAN. Other features include time zone data display, time zone lock, server scan, detailed logging, auto advance to another server if the selected one fails, auto start, minimize to tray, check without change, correct only minutes and seconds mode, variable time-out, max/min times, and a positive or negative time offset can be set if you are in a obscure time zone or if you like your clock to be fast or slow.
iTimeSync is written in Assembly for maximum efficiency and speed.