Horology.com Horology is the science of time, timekeeping and timekeepers. Organized collection of links to horological websites globally.
Horology - A Great Hobby A very basic introduction to how electric clocks work, with animated pictures. Also a collection of cheap electric clocks with pictures and descriptions.
How Stuff Works: Time Complete five-part explanation of time and how it is measured, including information about clocks, time zones, calendars, BC and AD.
Cumbria Clock Company Company specialized in all aspects of work connected with church clocks, public clocks, and tower clocks which includes the full historical restoration of antique clock movements.
Allan Variance -- Overview by David W. Allan Core algorithm of international time scale has multiple metrology applications, from atomic clock frequency characterization to definition of the meter. Equation, explanation and publications.
The History of Clocks and Watches Learn about the history of clocks and watches, and discover the evolution of timekeeping devices from the first primitive sundials to the ultramodern atomic clocks. Includes a timeline.
Daylight Saving Time History of daylight saving time and how we use it to save energy.
Hampton Court Clock The story of the famous Astronomical clock at Hampton Court Palace. By the author of the original official guide books with the extra omitted information.
Clocks and Time Horological index for organizations, clock and watch museums, related software, mailing lists and links. Maintained by Gordon T. Uber.
R.A. Braithwaite Educational site Elliott clocks, how they are built and how to look after them.
UNITAS Reference Site UNITAS wristwatch and pocketwatch movements from 1898 to the present.
