Time & Time Zones

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Web Resources
About Time, Clocks, & Watches
Astronomical Information Center: Time
Topics include in-depth explanations of Universal Time, Greenwich Mean Time, Terrestrial Time, Computing Greenwich Apparent Sidereal Time, U.S. Time Zones, the World Time Zone Map, When Daylight Time Begins and Ends, and the Equation of Time. From the U.S. Naval Observatory (USNO).
Clocks and Watches Library
How clocks, digital clocks, quartz watches, and clock pendulums work. From How Stuff Works.
Daylight Saving Time
"[L]earn about the history of daylight saving ..., the standardization of time, and when regions around the globe spring ahead and fall back." From the Institute for Dynamic Educational Advancement.
Daylight Time: When Does Daylight Saving Time Begin and End?
Provided by the U.S. Naval Observatory (USNO).
How Time Works
Includes time zones, Daylight-saving Time. From How Stuff Works. See also their article: How Time Travel Works.
On Time: How America Has Learned to Live by the Clock
From the National Museum of American History.
Stanford Encyclopedia of Philosophy: Time
Article concerning philosophical aspects of time. See also these links: The Experience and Perception of Time, Time Machines, more articles.
A Walk Through Time
From the National Institute of Standards and Technology (NIST).

Time Zones of the World
Official U.S. Time (Time.gov)
Guide to time zones accurate to within one second. This is a "live" clock displaying date and ticking military time. It also shows the daylight/dark division. Non-Java users should try this link.
Time Measurement, Time Zones, and the International Date Line
From Infoplease.com.
Find the time and date anywhere in the world. Create a calendar from the past or future. Select a continent and city and get details of the city's dialing codes and sunrise times.
Includes Current Local Time; Time Zone Converter; World Clock; Meeting Planner and World Time Database.
World Time Zone
Select a country name or region. Gives the current day of the week, current time, and the difference in hours + or - Greenwich Mean Time.
World Time Zone Map
Provided by the U.S. Naval Observatory (USNO).

See also:

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