Synchronize your clock with the atomic clock time. ProtoTime is a program that will connect through the internet with the atomic clock servers. The current atomic clock time is read from the atomic server, and then displayed in the program window. The difference between your UTC time and the atomic clock time is also automatically computed and showed in the main screen. All calculations are made in UTC time to achieve maximum accuracy. If you wish to update your clock to match with the atomic clock value,you can do it pushing a button.