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Kids and Teens
Open Directory - Kids and Teens: School Time: Reference Tools: Calendars
Kids and Teens: School Time: Science: Astronomy and Space: Time
Algebra - Fun with Calendars
[ ] - Perform some mental "magic" tricks based on math and the calendar.
[ ] - Shows you the current date according to the sacred Aztec calendar. Gives a reading of the significance of the day and the relevant gods.
[ ] - 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.
Calendars Through the Ages
[ ] - 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.
[ ] - All about calendars, different kinds, astronomical time, and how years are counted.
[ ] - 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.
Counting: Calendars and Cords
[ ] - A look at the methods ancient civilizations used to keep track of time.
History of the Calendar
[ ] - 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.
[ ] - A list of many American Indian tribe's names for months, days, and other calendar related information.
[ ] - Converts Japanese to Western calendar dates.
[ ] - The Forest Preserve District of Cook County Illinois explains leap year.
Religious Calendars and Holy Days
[ ] - Explanations of the Christian, Jewish, Muslim, Hindu, Buddhist, Sikh, Bahai, and Wiccan calendars. Also includes a list of holidays associated with these calendars.
Royal Observatory at Greenwich - Leap Years
[ ] - Learn why we have leap years.
[ ] - Learn some basic information about the Egyptian, Roman, Gregorian, Mayan, Islamic, Jewish, and Julian calendars. Also learn how to calculate Easter.
The Ancient Calendar
[ ] - The ancient calendar, its origin, problems, and development, plus a look at the names of days of the week
The French Revolutionary Calendar
[ ] - Convert any date since 1792 to the Jacobin calendar, a calendar that came out of the French Revolution but was ultimately not permanently adopted.
The Moon's Phase
[ ] - Online calculator that lets you see which phase the moon is in for any date in any year.
[ ] - All 12 months, plus lunar phases and some holidays noted.
[ ] - 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.
Virtual Perpetual Calendars
[ ] - 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.
Western-Chinese Calendar Converter
[ ] - 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.
[ ] - How a year is figured and who invented our calendar.
Zoroastrian Religious Calendar
[ ] - Three versions of the Zoroastrian calendar from the most ancient to more modern calendars.
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