Calendars

• Why did a Jewish scientist create the Rules for the Astrolabe?  
   
  What is the Y2K problem?

  What do calendars have to do with latitude?
   

Learn More About Calendars
 

Basics of Calendars  A basic college-level introduction	Calendar Zone  A very useful guide to internet sources on calendars.
Hebrew Calendars Explained  How Hebrew calendars ( a compromise between lunar and solar calendars) are calculated. Complete with a simple program based on Karl Gauss's algorithm for determing the date of Passover.	Basics of the Muslim Calendar  Has a free program to calculate lunar crescent sighting  Muslim Calendars Muslim-Christian calendar conversions
Chinese Lunar Calendar  Contains a converter for Chinese lunar calendar into solar calendar. Japanese Lunar CalendarsAnd no, they are NOT the same!	Lunar to Solar Conversions for Christian Calendars Also converts in reverse, from solar to lunar !  More Chinese calendar conversions
Persian Calendars  An introduction to the other major solar calendar.	English Calendars  England did not adopt the accurate solar calendar until 1752!
Maya Calendars  An excellent introduction to the Mayan calendar with references at the bottom of the page  Maya Calendar Converter	Aztec Calendar  A wonderful visual explanation of the Aztec Calendar (and today's date in Aztec time)  Native North American Months

 

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