All Sites

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

Explains the differences between several time systems.

http://www.apparent-wind.com/gmt-explained.html

» A History of Time

Explains the importance of concept of time in the history of mathematics, science and measurement.

http://www-history.mcs.st-andrews.ac.uk/HistTopics/Time_1.html

» A Walk Through Time

Evolution of timekeeping through the centuries.

http://physics.nist.gov/GenInt/Time/time.html

» Calendar Studies

Information about calendar history and calendar reform.

http://www.hermetic.ch/cal_stud.htm

» Calendar Zone

A categorized collection of calendar related sites.

http://www.calendarzone.com/

» English Calendar

Includes an ecclesiastical calendar and a section on old and new style dating.

http://www.albion.edu/english/calendar/

» Infoplease: Daylight Saving Time

Information and history about Daylight Saving Time all over the world.

http://www.infoplease.com/spot/daylight1.html

» International Standard Date and Time Notation

An overview of the ISO 8601 notation for dates.

http://www.cl.cam.ac.uk/~mgk25/iso-time.html

» Internet Encyclopedia of Philosophy: 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.

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

» NIST Time and Frequency Division

The National Institute of Standards and Technology maintains time and frequency standards for the United States.

http://tf.nist.gov/

» 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]

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

» This Day In History

Today in history every dayoften with pictures and sound.

http://www.history.com/this-day-in-history.do

» Time

Provides descriptions of several standards of time.

http://scienceworld.wolfram.com/astronomy/Time.html

» Time FAQ

Frequently Asked Questions about time (from sci.astro news group)

http://www.faqs.org/faqs/astronomy/faq/part3/

» Time Zone and Daylight Saving Time Data

A directory of sites providing descriptions of civil timekeeping concepts, source code, databases, and maps.

http://www.twinsun.com/tz/tz-link.htm

» United States Code

Weights, measures and standard time.

http://tycho.usno.navy.mil/260.html

» Wikipedia: 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.

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

» Z-Time

Article on the time at 0 degrees longitude. Covers the timezone origin, GMT, UTC, GCT, ZULU and JIG.

http://www.maybeck.com/ztime/