An illustrated history of timekeeping from ancient times to the present. Includes information on ancient calendars, early clocks, a revolution in timekeeping, world time scales and time zones, and the NIST standards.

Every spring in the Antarctica, a new group of workers arrives and stays for a few months. To enliven everyone's stay, some traditions have been put in place. These include a race around the South Pole through all the world's time zones,...