The time displayed is YOUR computer's current time setting.  
Click HERE to see correct time.
AtomTime98 is a 32-bit Windows Internet (Winsock) application which will connect to the Atomic Clock time server in Boulder, Colorado (USA) and fetch the current atomic clock time value. It compares this value to your PC time and displays the difference. You then have the option of updating your PC clock to match the atomic clock value. There are a number of options to automate the update process. AtomTime98 also features support for most proxy servers.

Windows XP has a time synchronization utility built in and is enabled by default (requires Internet connection).  No third party time synchronization programs are required.