Current location: Astronomy > Calendars and Timekeeping
1. Calendars through the Ages
History and FAQs of calendars, from ancient Rome to outer space. Including Julian, Gregorian, Jewish, Islamic, Chinese, and Mayan.
http://webexhibits.org/calendars/ - 01-01-2002
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[detailed information]
Rating: [8.00] Votes: [1283]
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2. Time and Date
Lots of time and date related information, such as yearly and monthly calendars, counters, countdown, and the world clock which shows the current time in cities all over the world.
http://www.timeanddate.com/ - 21-09-2000
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[detailed information]
Rating: [8.00] Votes: [431]
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3. Astronomical Time Keeping
Extensive descriptions of many astronomical time keeping systems, with information on time zones and Julian day numbers.
http://www.maa.mhn.de/Scholar/times.html - 03-10-2002
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[detailed information]
Rating: [7.00] Votes: [279]
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4. Leap Seconds
Civil time is occasionally adjusted by one second increments called leap seconds. A detailed explanation of what a second actually is, and why leap seconds are necessary.
http://tycho.usno.navy.mil/leapsec.html - 17-08-2001
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[detailed information]
Rating: [7.00] Votes: [2158]
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9. Calendrical Calculations
Published by Cambridge University Press. Gives a unified algorithmic presentation of the Gregorian, ISO, Julian, Coptic, Ethiopic, and Islamic civ
http://emr.cs.uiuc.edu/home/reingold/calendar-book/index.shtml - 04-12-2001
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[detailed information]
Rating: [6.00] Votes: [1574]
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10. Maya Calendar 2000
The calendar was the center of Maya life and their greatest cultural achievement. To carry out their astronomical calculations they developed a sophisticated mathematical system. The Maya Cal
http://mayacalendar.com - 08-03-2003
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[detailed information]
Rating: [6.00] Votes: [967]
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