Calendars_and_Timekeeping

Sundials

	Annus Novus Decimal Calendar : A proposal for a non-sectarian, culturally neutral calendar system. - www.atlantium.org/calendaran.html
	Astro Portal - CalSKY : The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well as astronomers. - www.calsky.com/
	Astronomical Time Keeping : Extensive descriptions of many astronomical time keeping systems, with information on time zones and Julian day numbers. - www.maa.mhn.de/Scholar/times.html
	Astronomy by JavaScript: Sun Calculators and More : Applets related to calendars and keeping time, including sidererial time. - www.jgiesen.de/astro/astroJS/
	Blue Moon Myths : Second full moon in a month, or third full moon in a single season? - www.infoplease.com/spot/bluemoon1.html
	Britannica.com - Clockworks: From Sundials to the Atomic Second : Britannica.com explores the history of timekeeping, from sundials to cesium atomic clocks. - www.britannica.com/clockworks
	Calendar Studies : Articles on the Gregorian and Julian calendars, the ISO date format, the Julian day number system, the Maya calendar, the Goddess lunar calendar, the Liberalia Triday Calendar and C functions for date conversion; plus software for calendrical conversion. - hermetic.nofadz.com/cal_stud.htm
	Calendrical Calculations : Published by Cambridge University Press. Gives a unified algorithmic presentation of the Gregorian, ISO, Julian, Coptic, Ethiopic, and Islamic civil calendars. - emr.cs.uiuc.edu/home/reingold/calendar-book/index.shtml
	Indian Moons : A list of many American Indian tribe's names for months, days, and other calendar related information. - www.americanindian.net/moons.html
	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. - tycho.usno.navy.mil/leapsec.html
	Lunisolar Calendar : Lunar calendar with lunations, from new moon to new moon, instead of months. Moon phase on each day. Chinese, Jewish, and Islamic months. Eclipses, meteors, planets, star charts. Christian, Pagan, Islamic, Hindu, and Jewish holidays. - www.pburch.net/lunarcal.html
	Millennium Mistake : Explains the difference between millenium and year 2000 as the absence of a year zero. - www.millenniummistake.net/
	The Calendar, Leap Years and the Year 2000 : An explanation of the calendar including the origin of the day, week, month and year. - chemistry.csudh.edu/oliver/smt310-handouts/calendar.htm
	The Chinese Calendar : The mathematics of the Chinese calendar. Explains the rules for the Chinese calendar. - www.math.nus.edu.sg/aslaksen/calendar/chinese.shtml - in cache
	Time and Dates : Information on date, time, and time zones from the New York Public Library. - www.circ.uab.edu/nypldr/1time/index.htm