TimeSync
TimeSync is a program to adjust the system time of your Computer. It gets the correct present time from the Internet. TimeSync allows automatic adjustment of your clock every few days (or hours) with virtually no consummation of resources. Windows NT and 2000 has the capability to adjust the... TimeSync allows to adjust this clock speed correction. ... It takes the necessary information from your last four clock adjustments.
http://www.luziusschneider.com/TSInstal.exe - 915Kb - Download - Screenshot

SP TimeSync
SP TimeSync is a program with multilingual interface which 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...
http://www.spdialer.com/download/sptimesync23_x86.zip - 82Kb - Download - Screenshot

Express Timesync
Express Timesync is an ideal solution for keeping the computer clock accurate. It allows you to synchronize the clock to the official correct time by using the reliable time servers on the Internet or on LAN. Express Timesync supports SNTP (RFC2030) and TIME (RFC868) protocols and has built-in... Express Timesync stores clock synchronization statistics so you can always check how accurate your clock is. ... The application uses wizards to assist you in performing the complex tasks. ... Even the most inexperienced users will have no difficulties working with this program.
http://www.express-computing.com/files/ExpressTimesyncSetup.exe - 1Mb - Download - Screenshot