International Standard Date and Time Notation
www.cl.cam.ac.uk/~mgk25/iso-time.html
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An overview of the ISO 8601 notation for dates.
keywords: format, zones, summer, saving, representation, protocol, file, daylight, data, clock
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The Calendar
www.skeptics.com.au/journal/calendar.htm
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Summarizes the history of various calendars developed and used over the centuries.
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Time FAQ
www.faqs.org/faqs/astronomy/faq/part3/
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Frequently Asked Questions about time (from sci.astro news group)
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Time Zone and Daylight Saving Time Data
www.twinsun.com/tz/tz-link.htm
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A directory of sites providing descriptions of civil timekeeping concepts, source code, databases, and maps.
keywords: zoneinfo, tz, timezone, dst
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A Walk Through Time
physics.nist.gov/GenInt/Time/time.html
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Evolution of timekeeping through the centuries.
keywords: old, nist, nbs, national, measurement, maser, interest, institutestandard, hydrogen, history
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Today's Calendar and Clock Page
www.ecben.net/calendar.shtml
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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.
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Calendar Zone
www.calendarzone.com/
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A categorized collection of calendar related sites.
keywords: eclipse, calendars, register, reform, interactive, holidays, history, era, ephemeris, eon
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United States Code
tycho.usno.navy.mil/260.html
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Weights, measures and standard time.
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Time
scienceworld.wolfram.com/astronomy/Time.html
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Provides descriptions of several standards of time.
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English Calendar
www.albion.edu/english/calendar/
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Includes an ecclesiastical calendar and a section on old and new style dating.
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Calendar Studies
www.hermetic.ch/cal_stud.htm
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Information about calendar history and calendar reform.
keywords: year, vernal, triday, tibetan, steel, soliluna, software, simon, palmen, meyer
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A Few Facts Concerning GMT, UT, and the RGO
www.apparent-wind.com/gmt-explained.html
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Explains the differences between several time systems.
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Infoplease: Daylight Saving Time
www.infoplease.com/spot/daylight1.html
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Information and history about Daylight Saving Time all over the world.
keywords: zones, when, standard, schedule, savings, est, ends, edt, daylightsavings, clocks
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NPR : 'Seize the Daylight': A History of Clock Chaos
www.npr.org/templates/story/story.php?storyId=4572036
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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]
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NIST Time and Frequency Division
tf.nist.gov/
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The National Institute of Standards and Technology maintains time and frequency standards for the United States.
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This Day In History
www.history.com/this-day-in-history.do
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Today in history every day - often with pictures and sound.
keywords: channel
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U.S. Time Zones
aa.usno.navy.mil/faq/docs/us_tzones
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History of standard time in the U.S.
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Internet Encyclopedia of Philosophy: Time
www.iep.utm.edu/t/time.htm
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Time has been studied for thousands of years. Nevertheless, many issues remain to be resolved. This article explores both what is now known about time and what is controversial and unresolved.
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A History of Time
www-history.mcs.st-andrews.ac.uk/HistTopics/Time_1.html
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Explains the importance of concept of time in the history of mathematics, science and measurement.
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Wikipedia: Time
en.wikipedia.org/wiki/Time
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Time is a common term for the experience of duration, and a fundamental quantity of measuring systems. Article explains time definitions, history of measurements, perceptions in religion, philosophy and science.
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Z-Time
www.maybeck.com/ztime/
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Article on the time at 0 degrees longitude. Covers the timezone origin, GMT, UTC, GCT, ZULU and JIG.
keywords: navy, navagation, maybeck, guard, coast
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A Brief History of Time
www.perseus.tufts.edu/GreekScience/Students/Chris/TIME2.html
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Early origins and historical perspectives of time measurement.
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