Horology

Measurement algorithm in the generation of international time. Other metrology applications range from characterizing any precision clock or oscillator to the definition of the meter. Equation, explanation, publications.

There are Seven days in the week. Find out why at Days of the Week!

OpenVMS

UNITAS wristwatch and pocketwatch movements from 1898 to the present and the watches that used them in the past and use them today.

A Laymans Guide to the Gents Waiting Train Electrically driven pendulum Turret Clock

Why do we have Daylight Saving Time? History from Benjamin Franklin to the present. U.S. law and practice. Worldwide time change dates. Daylight Saving Time. Just as sunflowers turn their heads to catch every sunbeam, so too have we discovered a simple way to get more from our sun.

The Horological Foundation's directory for Antique Clocks, Antique Watches and Antique Barometers

Leap years are one of the stranger time-related traditions, and 2004 leaps with the best of 'em. This year, we'll have a February 29th -- how can that be? Find out all about time.

A website about builing clock movements from scratch. With day-by-day descriptions, and hundreds of photos and drawings.

Watch and clock repairing, restoring and construction.

Louis Essen who built world's first atomic clock, re-defined the second and criticised Einstein's special theory

Looking for FREE information about antique clock repair? You must visit my huge horology website!!!

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 graphical timeline.

Horological site for organizations, museums for clocks, watches. Software for time synchronization and display. Clocks, Clocksmiths and Sundial mailing lists. Reviews, and dealers of books, magazines. Tables of contents. Horological science.

Horology - The Index is a comprehensive global listing of websites and internet resources dealing with clocks, watches, timekeeping and timekeepers. The Index contains a logical, hierarchical listing of subjects and chapters, spread over about 200 pages, containing about 3000 links to URLs.