- This Day In History - http://www.HistoryChannel.com/today/
Today in history every day - often with pictures and sound.
- The Calendar - http://www.skeptics.com.au/journal/calendar.htm
Summarizes the history of various calendars developed and used over the centuries.
- Atomic Clock Time - http://www.atomictime.net/
Displayed in a variety of useful formats. Site is a front-end to U.S. government atomic clocks.
- NIST Time and Frequency Division - http://www.boulder.nist.gov/timefreq/
The National Institute of Standards and Technology maintains time and frequency standards for the United States.
- Time FAQ - http://www.faqs.org/faqs/astronomy/faq/part3/
Frequently Asked Questions about time (from sci.astro news group)
- A Walk Through Time - http://physics.nist.gov/GenInt/Time/time.html
Evolution of timekeeping through the centuries.
- Today's Calendar and Clock Page - http://www.ecben.net/calendar.shtml
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.
- Calendar Zone - http://www.calendarzone.com/
A categorized collection of calendar related sites.
- United States Code - http://tycho.usno.navy.mil/260.html
Weights, measures and standard time.
- Time - http://scienceworld.wolfram.com/astronomy/Time.html
Provides descriptions of several standards of time.
- U.S. Time Zones - http://aa.usno.navy.mil/faq/docs/us_tzones.html
History of standard time in the U.S.
- English Calendar - http://www.albion.edu/english/calendar/
Includes an ecclesiastical calendar and a section on old and new style dating.
- Calendar Studies - http://www.hermetic.ch/cal_stud.htm
Information about calendar history and calendar reform.
- Time References - http://htexplained.com/watches/TimeRef/
To set your watch or clock accurately using a time reference. Explains the various options for residents of North America.
- Date Algorithms - http://vsg.cape.com/~pbaum/date/date0.htm
Provides descriptions, proofs and computer programming implementation examples to convert dates to various calendar dates for Julian, Gregorian, and Rata Die calendars.
- Light of Day - http://www.lightofday.primetap.com
Shedding light on Queensland's daylight saving opposition.
- 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]
- Calendar: A History - http://users.commspeed.net/k6xf/calendar.htm
The history of the western calendar and the clock.
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