1. 4Time.com
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| Offers section on watches and clocks plus official times around the globe, and sundials. |
| http://4time.4anything.com/ |
2. A Walk Through Time
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| Evolution of timekeeping through the centuries. |
| http://physics.nist.gov/GenInt/Time/time.html |
3. Atomic Clock Time
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| Displayed in a variety of useful formats. Site is a front-end to U.S. government atomic clocks. |
| http://www.atomictime.net/ |
4. Calendar Studies
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| Information about calendar history and calendar reform. |
| http://www.hermetic.ch/cal_stud.htm |
5. Calendar Zone
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| A categorized collection of calendar related sites. |
| http://www.calendarzone.com/ |
6. Calendar: A History
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| The history of the western calendar and the clock. |
| http://www.ernie.cummings.net/calendar.htm |
7. Date Algorithms
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| Provides descriptions, proofs and computer programming implementation examples to convert dates to various calendar dates for Julian, Gregorian, and Rata Die calendars. |
| http://vsg.cape.com/~pbaum/date/date0.htm |
8. English Calendar
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| Includes an ecclesiastical calendar and a section on old and new style dating. |
| http://www.albion.edu/english/calendar/ |
9. Galleon Systems
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| Galleon Systems supply solutions for the correct time on computers, network servers, NTP time servers and wall clock using Atomic time signals |
| http://www.galleon.eu.com |
11. NIST Time and Frequency Division
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| The National Institute of Standards and Technology maintains time and frequency standards for the United States. |
| http://www.boulder.nist.gov/timefreq/ |
12. The Calendar
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| Summarizes the history of various calendars developed and used over the centuries. |
| http://www.skeptics.com.au/journal/calendar.htm |
13. This Day In History
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| Today in history every day - often with pictures and sound. |
| http://www.HistoryChannel.com/today/ |
14. Time FAQ
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| Frequently Asked Questions about time (from sci.astro news group) |
| http://www.faqs.org/faqs/astronomy/faq/part3/ |
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