Calendar Summary

Everything you need to understand or teach Calendar.

  • 6 Encyclopedia Articles
  • 12 Literature Criticisms
  • ...and more
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Study Pack

The Calendar Study Pack contains:

Encyclopedia Articles (6)

1,201 words, approx. 5 pages
Calendar, Numbers in The Calendars have always been based on the Sun, Earth, and Moon. Ancient people observed that the position of the Sun in the sky changed with the seasons. They also noticed that ... Read more
13,097 words, approx. 44 pages
Calendars This entry consists of the following articles: An Overview Mesoamerican Calendars South American Calendars Read more
1,572 words, approx. 6 pages
Development of Calendars Overview Keeping track of the passage of time has been a human preoccupation since the dawn of history. Calendars helped societies to understand and track the changing seasons... Read more
1,502 words, approx. 6 pages
The Calendar Takes Shape in Mesopotamia Overview The calendar used today in the West has its roots in the system developed by the astronomers of Mesopotamia—and particularly the Mesopotamian ci... Read more
931 words, approx. 4 pages
Calendar A calendar is a system of measuring the passage of time. Early peoples used the lunar month--the interval between a complete sequence of phases of the moon--to calculate time. Because a lunar... Read more
2,438 words, approx. 9 pages
Calendars There are three units of time which have a direct basis in astronomy: the day, which is the period of time it takes for the Earth to make one rotation around its axis; the month, which is th... Read more