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These sites provide information on time in general or provide the current time over the web. Sites related to the Network Time Protocol (NTP) can be found in Computers/Internet/Protocols/NTP. Other categories contain information on time as it relates to Geology and Astronomy.

ISO_8601@	Network_Time_Protocol@
Time	Alternative Systems
Clocks and Watches	Current Time
Horology	Sky Calendars
Calendars and Timekeeping	Geochronology
Time Travel	Timelines
Time and Timelessness

• A Few Facts Concerning GMT, UT, and the RGO Explains the differences between several time systems.
• A Walk Through Time An illustrated history of timekeeping from ancient times to the present
• A Walk Through Time An illustrated history of timekeeping from ancient times to the present, by NIST
• A Walk Through Time An illustrated history of timekeeping from ancient times to the present.
• A Walk Through Time Evolution of timekeeping through the centuries.
• Atomic Clock Time Displayed in a variety of useful formats. Site is a front-end to U.S. government atomic clocks.
• Calendar Studies Articles on the Gregorian and Julian calendars, the ISO date format, the Julian day number system, the Maya calendar, the Goddess lunar calendar, the Liberalia Triday Calendar and C functions for date conversion; plus software for calendrical conversion.
• Calendar Studies Information about calendar history and calendar reform.
• Calendar Zone A categorized collection of calendar related sites.
• Calendar: A History The history of the western calendar and the clock.
• Date Algorithms Provides descriptions, proofs and computer programming implementation examples to convert dates to various calendar dates for Julian, Gregorian, and Rata Die calendars.
• Date Algorithms Provides descriptions, proofs and computer programming implementation examples to convert dates to various calendar dates for Julian, Gregorian, and Rata Die calendars.
• English Calendar Includes an ecclesiastical calendar and a section on old and new style dating.
• Infoplease: Daylight Saving Time Information and history about Daylight Saving Time all over the world.
• International Standard Date and Time Notation International Standard ISO 8601 specifies numeric representations of date and time. It helps to avoid confusion caused by the many different national notations.
• International Standard Date and Time Notation An overview of the ISO 8601 notation for dates.
• International Standard Date and Time Notation by Markus Kuhn - An introduction to ISO 8601, the YYYY-MM-DD date and the 24-hour time notation, with notes on week numbers and on implementation.
• Light of Day Shedding light on Queensland's daylight saving opposition.
• NIST Time and Frequency Division The National Institute of Standards and Technology maintains time and frequency standards for the United States.
• NPR : 'Seize the Daylight': A History of Clock Chaos Benjamin Franklin first called for the government to tinker with clock hours in the 1780s. But it wasn't until World War I that the United States adopted daylight-saving time as a way to get more efficiency out of the day. "Seize the Daylight" Author David Prerau talks about the complicated politics and curious history of DST, and he shares an excerpt from his book. [4:54 streaming audio broadcast]
• NPR : 'Seize the Daylight': A History of Clock Chaos Benjamin Franklin first called for the government to tinker with clock hours in the 1780s. But it wasn't until World War I that the United States adopted daylight-saving time as a way to get more efficiency out of the day. "Seize the Daylight" Author David Prerau talks about the complicated politics and curious history of DST, and he shares an excerpt from his book. [4:54 streaming audio broadcast]
• The Calendar Summarizes the history of various calendars developed and used over the centuries.
• This Day In History Today in history every day - often with pictures and sound.
• Time Provides descriptions of several standards of time.
• Time FAQ Frequently Asked Questions about time (from sci.astro news group)
• Time References To set your watch or clock accurately using a time reference. Explains the various options for residents of North America.
• Time Zone and Daylight Saving Time Data A directory of sites providing descriptions of civil timekeeping concepts, source code, databases, and maps.
• Today's Calendar and Clock Page Information on all things relating to calendars, dates, holidays, and time. Find today's date on several different cultural and religious calendars. Includes section on Celestial data, countdown clocks, and information on the dates past events.
• U.S. Time Zones History of standard time in the U.S.
• United States Code Weights, measures and standard time.

 

 

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