Notes

Time and the millennium 48 p col. ill., maps, ports An official publication of the Royal Observatory and Greenwich Meridian 2000, the 'Centre of Space and Time'
Summary:
Examines different aspects of time and how we measure it. Includes information on seasons, sundials, clocks, local and Greenwich mean time, longitude and time, the prime meridian, time zones, atomic clocks, months, years and calendars