Directory of Time Resources

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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.

Subcategories

• Alternative Systems
• Clocks and Watches
• Current Time
• Horology
• ISO 8601
• Network Time Protocol

Resources in This Category

• A Few Facts Concerning GMT, UT, and the RGO

  http://www.apparent-wind.com/gmt-explained.html
  Explains the differences between several time systems.

• A History of Time

  http://www-history.mcs.st-andrews.ac.uk/HistTopics/Time_1.html
  Explains the importance of concept of time in the history of mathematics, science and measurement.

• A Walk Through Time

  http://www.nist.gov/pml/general/time/
  Evolution of timekeeping through the centuries.

• Calendar Studies

  http://www.hermetic.ch/cal_stud.htm
  Information about calendar history and calendar reform.

• Calendar Zone

  http://www.calendarzone.com/
  A categorized collection of calendar related sites.

• English Calendar

  http://people.albion.edu/imacinnes/calendar
  Includes an ecclesiastical calendar and a section on old and new style dating.

• Infoplease: Daylight Saving Time

  http://www.infoplease.com/spot/daylight1.html
  Information and history about Daylight Saving Time all over the world.

• International Standard Date and Time Notation

  http://www.cl.cam.ac.uk/~mgk25/iso-time.html
  An overview of the ISO 8601 notation for dates.

• Internet Encyclopedia of Philosophy: Time

  http://www.iep.utm.edu/time/
  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.

• NIST Time and Frequency Division

  http://www.nist.gov/pml/div688/
  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

  http://www.npr.org/templates/story/story.php?storyId=4572036
  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]

• This Day In History

  http://www.history.com/this-day-in-history
  Today in history every day - often with pictures and sound.

• Time

  http://scienceworld.wolfram.com/astronomy/Time.html
  Provides descriptions of several standards of time.

• Time FAQ

  http://www.faqs.org/faqs/astronomy/faq/part3/
  Frequently Asked Questions about time (from sci.astro news group)

• Time Zone and Daylight Saving Time Data

  http://www.twinsun.com/tz/tz-link.htm
  A directory of sites providing descriptions of civil timekeeping concepts, source code, databases, and maps.

• Wikipedia: Time

  http://en.wikipedia.org/wiki/Time
  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.

• Z-Time

  http://www.maybeck.com/ztime/
  Article on the time at 0 degrees longitude. Covers the timezone origin, GMT, UTC, GCT, ZULU and JIG.

Related Categories

• Home > Science > Astronomy > Amateur > Sky Calendars
• Home > Science > Astronomy > Calendars and Timekeeping
• Home > Science > Earth Sciences > Geology > Geochronology
• Home > Science > Physics > Relativity > Time Travel
• Home > Society > History > Timelines
• Home > Society > Philosophy > Philosophy of Science > Physics > Time and Timelessness
• Home > Kids and Teens > School Time > Science > Astronomy and Space > Time

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