Walk through Time - An
illustrated history of timekeeping from ancient times to the present.
Naval Observatory Time Service Department - The
official source of time for the Department of Defense and the standard
of time for the United States
Time and Frequency Division - The
National Institute of Standards and Technology maintains time and frequency
standards for the United States.
Zone - A
categorized collection of calendar related sites.
Standard Date and Time Notation - An
overview of the ISO 8601 notation for dates.
Time Zone Map - Shows
all world time zones and how to calculate the time in another time zone.
- Horology.com -Horology
is the science of time, timekeeping and timekeepers. Organized collection
of links to horological websites globally.
Zone and Daylight Saving Time Data - A
directory of sites providing descriptions of civil timekeeping concepts,
source code, databases, and maps.
Saving Time - History
of daylight saving time and how we use it to save energy.
- Greenwich - Information
about time zones, time keeping and Greenwich Mean Time (GMT).
FAQ - Frequently
Asked Questions about time (from sci.astro news group)
Year Calculation for Year 2000 - A
response to a VMS problem report giving a detailed explanation of why
2000 is a leap year.
Stuff Works: Pendulum Clock - Concise
description using drawings and animation to show the operation of a
A History - The
history of the western calendar and the clock.
Calendars - An
interactive monthly calendar of events, history and trivia,
Stuff Works: Time - Complete
five-part explanation of time and how it is measured, including information
about clocks, time zones, calendars, BC and AD.
Time Zones - A
table of time difference between the USA's time zones and the rest of
Time - A
descriptive presentation on the interaction of time of day and day of
the week with the International Date Line.
The Days of the Week Got Their Names - A
short history of the week and each day of the week.
Atomic Clocks - Details
on Doug Hogarth's experiments with his atomic clock.
Time is Absolute, and Relative, But Never Universal - An
article by Vincent Sauvé elaborating upon a materialist view of the
absolute and relative nature of time.
Zone Converter - Tell
the time anywhere in the world using the updated time zone database.
References - To
set your watch or clock accurately using a time reference. Explains
the various options for residents of North America.
Year Frequently Argued Questions - A
humorous approach towards explaining the nature of leap years, in particular
why 2000 is a leap year.
Clock Time - Displayed
in a variety of useful formats. Site is a front-end to U.S. government
Stuff Works: Atomic Clock - Concise
history, background, definitions and operational information regarding
- 4Time - A
guide to time resources from 4anything.com.
Essen - Autobiography
of the physicist who built the world's first operational atomic clock.
Converter - Converts
an entered time from one timezone to another.