Reference Time Horology
Sites related to Horology, the science and technology of timekeeping. This category includes the theory, the history, the technology, the art and every imaginable aspect of Horology.

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Abbey Clock Clinic - Mark Headrick's Horology Page
Traditional horology website with information and mantainance tips. Technical descriptions and troubleshooting of escapements. Grandfather clocks, wall clocks, and watches.
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.
Antique Horology
The Horological Foundation's directory of web sites for watches, clocks, instruments and barometers.
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.
David Knight - Watchmaker from UK
Articles and pictures of the first two watches made by David Knight. Rich artistic pictures.
Daylight Saving Time
History of daylight saving time and how we use it to save energy.
Horology - The Index
Horology is the science of time, timekeeping and timekeepers. Organized collection of links to horological websites globally.
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.
How The Days of the Week Got Their Names
A short history of the week and each day of the week.
Jens Olsen's Astronomical Clock
Description of the restoration of Jens Olsen's Astronomical Clock, a masterpiece in Copenhagen City Hall that consists of 15.448 individual parts.
Leap Year Calculation for Year 2000
A response to a VMS problem report giving a detailed explanation of why 2000 is a leap year.
Mark Frank's Home Page
Website showing the restoration of a French flat bed tower clock in great detail, step by step, as well as other information and links of tower clock sites.
National Association of Watch and Clock Collectors
Organization of watch and clock enthusiasts.
On Time
The Smithsonian Institute's exhibition on the changing ways people have measured, used, and thought about time over the past three hundred years.
Orologio: Restoration of St. Mark's Square Tower, Venice
Includes technical and historical explanation of the restoration and controversy of the tower.
Pocket Horology
National chapter of the NAWCC dedicated to collaborative research on the history and horology of pocket watches.
Richard White Clocks
Specialists in servicing, maintaining, restoring and repairing of tower, turret and church clocks. Provides details of their services, the automated mechanisms available, case studies and their news.
[Mozzie the Clock-Keeper]
Last update:
January 4, 2017 at 16:57:24 UTC
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