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Calendars
2013, 2012 and past calendars, history of the calendar, leap year, time zones, and Chinese, lunar, Jewish, and other calendars
Major Holidays
History, traditions, and dates of religious and secular holidays, Chinese New Year, Jewish, Hindu, Islamic holidays, and more
Other Holidays
Dates and history of state holidays, birthstones, and wedding anniversary gift list
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Perpetual Calendar
View any month, any year, in the Gregorian calendar and find events and holidays for each day
Clocks
Info on water, pendulum, quartz, and mechanical clocks, and sundials
Seasons, Months, Days
The meaning of the days of the weeks and months, the reasons for the seasons, daylight saving time, and astrological signs
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Atlas
Encyclopedia
Dictionary
Thesaurus
Day in History
