  |
Daylight Saving Time - http://webexhibits.org/daylightsaving/
History of daylight saving time and how we use it to save energy. |
| |
On Time - http://americanhistory.si.edu/ontime/
The Smithsonian Institute's exhibition on the changing ways we have measured, used, and thought about time over the past three hundred years. |
| |
Horology.com - http://www.horology.com/
Horology is the science of time, timekeeping and timekeepers. Organized collection of links to horological websites globally. |
| |
Jens Olsen's Astronomical Clock - http://www.ateliera.dk/olsen.htm
Description of the restoration of Jens Olsen's Astronomical Clock, a masterpiece in Copenhagen City Hall that consists of 15.448 individual parts. |
| |
Allan Variance -- Overview by David W. Allan - http://www.allanstime.com/AllanVariance/
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 - http://www.antique-horology.org/
The Horological Foundation's directory of web sites for watches, clocks, instruments and barometers. |
| |
The History of Clocks and Watches - http://home.rochester.rr.com/kjmpage/clockshistory.html
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. |
| |
How The Days of the Week Got Their Names - http://www.indepthinfo.com/weekdays/index.shtml
A short history of the week and each day of the week. |
| |
Cumbria Clock Company - http://www.clockmaker.co.uk
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. |
| |
24 hour analog clocks - http://homepage.mac.com/pete.boardman/24hourclock/
The 24 hour analog clock and watch site. History, software, and the places to find clocks with 24 h dials. |
| |
"Orologio" at the St. Mark's Square Tower, Venice - Antica Orologeria Zamberlan - http://www.orologeria.com/english/tower/index.htm
Website of Antica Orologeria Zamberlan, Italy. Includes technical and historical explanation of the restoration and controversy of the "Orologio" Tower at St. Mark's Square, Venice. |
| |
Mark Frank's Home Page - http://www.my-time-machines.net
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. |
| |
Abbey Clock Clinic - Mark Headrick's Horology Page - http://www.abbeyclock.com/
Traditional horology website with information and mantainance tips. Technical descriptions and troubleshooting of escapements. Grandfather clocks, wall clocks, and watches. |
| |
UNITAS Reference Site - http://www.unitas.netfirms.com
UNITAS wristwatch and pocketwatch movements from 1898 to the present. |
| |
Pocket Horology - http://www.pockethorology.org/
National chapter of the NAWCC dedicated to collaborative research on the history and horology of pocket watches. |
| |
David Knight - Watchmaker from UK - http://www.davidknightwatchmaker.com/
Articles and pictures of the first two watches made by David Knight. Rich artistic pictures. |
| |
Hampton Court Clock - http://pages.zoom.co.uk/cosmicelk/hamptoncourtclock.htm
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 - http://www.ubr.com/clocks/
Horological index for organizations, clock and watch museums, related software, mailing lists and links. Maintained by Gordon T. Uber. |
| |
How Stuff Works: Time - http://www.howstuffworks.com/time.htm
Complete five-part explanation of time and how it is measured, including information about clocks, time zones, calendars, BC and AD. |
| |
The Horology Source - http://www.horologysource.com
Gateway to all aspects of clocks, watches, timekeeping, and the science of horology. |