Download or read book The Greenwich Guide to Time and the Millennium written by Graham Dolan and published by Heinemann Educational Books. This book was released on 1999 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines different aspects of time and how we measure it, including seasons, sundials, clocks, local and Greenwich mean time, the prime meridian, time zones, atomic clocks, months, years, and more.