Algebra - Fun with Calendars Save
Perform some mental "magic" tricks based on math and the calendar.
http://math.rice.edu/~lanius/Lessons/...   

Aztec Calendar Save
Shows you the current date according to the sacred Aztec calendar. Gives a reading of the significance of the day and the relevant gods.
http://www.azteccalendar.com/   

Calendar Studies Save
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.
http://www.hermetic.ch/cal_stud.htm   

Calendar of Patent and Trademark Save
U.S. Trademark office offers a trivia calendar showing famous patents sorted by month of invention.
http://www.uspto.gov/web/offices/ac/a...   

Calendars: Counting the Days Save
World Book Encyclopedia takes a look at calendars, including the history of calendars, and educational activities that relate to calendars.
http://www.worldbook.com/features/cal...   

Calendars Through the Ages Save
Discusses currently used and unused calendars such as Chinese, Christian, Indian, Islamic, Jewish, Ethiopian, Balinese, Bahai, the French, Mayan, Roman, and some modern schemes for calendar reform. Includes timelines and all about how our week came into being.
http://webexhibits.org/calendars/inde...   

Calendopaedia Save
All about calendars, different kinds, astronomical time, and how years are counted.
http://www.geocities.com/calendopaedia/   

Cosmic Calendar Save
Imagine if the history of the universe, all 13 billion years of it, were put into just one year. What would that calendar look like? Carl Sagan, the famous astronomer, made this one.
http://school.discovery.com/schooladv...   

Counting: Calendars and Cords Save
A look at the methods ancient civilizations used to keep track of time.
http://www.classzone.com/net_explorat...   

Date Algorithms Save
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...   

Ethiopian Calendar Save
Discusses which calendar Ethiopia uses and gives a list of the month's names and public holidays in Ethiopia.
http://ethio.com/calendar.html   

History of the Calendar Save
How different parts of the world made different kinds of clocks based on where they lived and what kind of weather they had to predict.
http://www.infoplease.com/ipa/A000206...   

Indian Moons Save
A list of many American Indian tribe's names for months, days, and other calendar related information.
http://americanindian.net/moons.html   

Japanese Calendar Save
Converts Japanese to Western calendar dates.
http://www.artelino.com/articles/japa...   

Leap Year Save
The Forest Preserve District of Cook County Illinois explains leap year.
http://www.newton.dep.anl.gov/natbltn...   

Religious Calendars and Holy Days Save
Explanations of the Christian, Jewish, Muslim, Hindu, Buddhist, Sikh, Bahai, and Wiccan calendars. Also includes a list of holidays associated with these calendars.
http://www.religioustolerance.org/mai...   

Royal Observatory at Greenwich - Leap Years Save
Learn why we have leap years.
http://www.nmm.ac.uk/server/show/conW...   

Several Calendars Save
Learn some basic information about the Egyptian, Roman, Gregorian, Mayan, Islamic, Jewish, and Julian calendars. Also learn how to calculate Easter.
http://www.ortelius.de/kalender/idx_e...   

The Ancient Calendar Save
The ancient calendar, its origin, problems, and development, plus a look at the names of days of the week
http://ancienthistory.about.com/libra...   

The French Revolutionary Calendar Save
Convert any date since 1792 to the Jacobin calendar, a calendar that came out of the French Revolution but was ultimately not permanently adopted.
http://www.windhorst.org/calendar/   

The Moon's Phase Save
Online calculator that lets you see which phase the moon is in for any date in any year.
http://imagiware.com/astro/moon.cgi   

TimeandDate.com: Calendar Save
All 12 months, plus lunar phases and some holidays noted.
http://www.timeanddate.com/calendar/   

Today's Date Save
Today's date from the Gregorian calendar that we use into the calendar dates of the Mayan, French, Islamic, Hebrew, Julian, Ethiopic, Coptic, Chinese, Julian, and Discordian calendars.
http://isotropic.org/date/   

Virtual Perpetual Calendars Save
Lets you know what any calendar looks like for the 20th and 21st centuries. Also includes holidays, leap years, which years a particular day of the week always falls on, and methods of calculation.
http://www.vpcalendar.net/   

Western-Chinese Calendar Converter Save
Tool to convert between the traditional Chinese lunar calendar and the Western solar calendar. Also offers a brief description of the two different calendars and lists links about the Chinese calendar.
http://www.mandarintools.com/calconv_...   

Years Save
How a year is figured and who invented our calendar.
http://www.mrdowling.com/601-years.html   

Zoroastrian Religious Calendar Save
Three versions of the Zoroastrian calendar from the most ancient to more modern calendars.
http://www.avesta.org/zcal.html   

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