Mechanical clocks

• Antique Time Clocks Research data and examples of rare time recording clocks
• The Hampton Court Clock The colourful history of an English Royal clock
• Collecting English clocks A selection of antique clock articles by Brian Loomes
• ClockHistory.com History of the alarm clock, with particular reference to Westclox
• Clock history A brief history of the mechanical clock
• How to repair clocks Tips on clock maintenance and repair
• Vienna regulators Short article on styles of Vienna regulator
• Savage & Polite's Antique Clock Identification and Price Guide
• Clock World Short article on styles of Vienna regulator
• How pendulum clocks work An explanation from HowStuffWorks
• A brief history of clocks From Thales to Ptolemy, by Jesse Weissman
• A brief history of clocks From ancient calendars to atomic clocks
• The History of Clocks A brief history of clocks by Kyle Mehalek
• How Stuff Works Find out how the various parts of a mechanical clock work
• The Franklin Institute Online Some interesting information on clocks, gears, pendulums, sundials etc
• The Fascination of Old Clocks and Watches Home page of Werner and Elizabeth Moser
• Tall case clocks An interview with Joel Lynn
• Attleboro Clocks Data gathering point for Attleboro Clock Co clocks
• Otis Pierce's Chat Page Articles on clock making and repair
• Mark Headrick Mechanical clock repair, animated diagrams, buying tips, book download
• Clock Finder Information on clocks
• The World of Cuckoo Clocks Information on the Black Forest cuckoo clock
• Horologist Articles on antiquarian horology written and edited by Leigh Extence
• Antique Ansonia Clocks Information and pictures of Ansonia clocks
• Vintage Westclox Pictures of Westclox timepieces
• Clock Help Short articles on clock maintenance and cleaning
• Clock Headquarters Short articles on clocks and aspects of horology
• Horology-Stuff Information on clocks, watches and chronometers
• Clock Watch German site relating to clocks and horology

Electric clocks

• Electrical horology Brief articles on a variety of electric clocks
• Electric clocks The fascinating world of electrical horology
• Electric clocks Information on a variety of electric clocks
• Electric clocks Trilingual website (English, French, German) on electrical horology
• Bibliography on electric clocks A very small bibliography of books on electric clocks, by James Hedges
• The Fascinating World of Electrical Horology How electricity has been used in horology since the middle of the 19th century

Clockmakers and watchmakers

• Historical Clock & Watch Research Information on a variety of clockmakers and watchmakers
• John Harrison, 1693-1776 Short biographical details of the inventor of 'sea clocks'
• Benjamin Banneker, 1731-1806 The story of a black American clockmaker, mathematician and scientist

Watches

• Antique Pocket Watch Collecting antique pocket watches for profit and pleasure
• James Dowling's Rolex Webpage The website of an expert Rolex collector
• The Fascination of Old Clocks and Watches Home page of Werner and Elizabeth Moser
• Watch Material Search Vintage and obsolete parts
• Style Watch Asian monthly trade magazine for watches and clocks

Sundials

• Sundials on the Internet 'All you want to know about sundials'
• Twig's Digs Horology, sundials and astronomy, from Bob Terwilliger
• Solar Pyramid Giant new sundial to be built in Derbyshire, UK

Horological directories

• Clocks and time Directory of horological websites
• Horological Foundation Directory of websites for antique clocks, watches, barometers and instruments
  
• Falkirk Wheel Directory of horological websites
• Clock Finder.com Directory of horological websites
• Horology - The Index Internet resources regarding horology
• Antiques links pages - Clocks Links to horological sites, mainly European
• Horology Source Extensive collection of online horological resources
• International Clockshop Directory Clock shops in the United States and Canada
• Clocks Info4u Directory of clock sites
• Tijd.net Websites for watches and some kinds of clock
• Clocks HQ Categorized resource directory for everything about clocks
• WorldTempus.com French-language horological (mainly watch) directory
• Clock Shoppe 'What you need when you need it'

Time and time measurement

• A walk through time From ancient calendars to the present day
• NIST Physics Laboratory Presentation The evolution of time measurement through the ages
• Crystal Links clocks page A brief history of timekeeping from pre-history to the present day
• Learning about time Learn how to tell time and to set a clock
• Time and date.com Online clocks and calendars
• Horological Science Website for NAWCC Chapter #161 - Horological Science
• Greenwich Mean Time Time around the world

Public clocks

• L'Orologio della Torre di San Marco in Venezia Venice, Italy
• Hillsborough Town Clock History, restorations, donations etc, Hillsborough, North Carolina, USA
• Louisville Clock Restoration Project Restoration of a Louisville landmark, Louisville, Kentucky, USA
• San Jose Museum of Art Clock Tower Restoration Project San Jose, California, USA

Miscellaneous

• Uhren hanse hier findest Du Informationen zum Thema Uhr(en)
• Clock Dictionary Dictionary of clock terms
• Clock Post Free antique clock related classified ads
• Antique Clocks Price Guide Online research site for clock identification and pricing