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The Maya Calendar: A Converter
Gives the Mayan days and months. In addition, a Java Applet is included which will convert any date (Gregorian calendar) to its corresponding Mayan date.
NumberNut
Number Nut: Calendar Origins
History and mathematics merge in this lesson that explores the origin of the calendar. Learn how it all got started in this detailed lesson that includes a simple months of the year game and a more challenging time conversion game. Both...