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Lunar calendar with lunations, from new moon to new moon, instead of months. Moon phase ...

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Second full moon in a month, or third full moon in a single season?

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LunarCal is a 160-year perpetual Chinese Lunar Calendar for 1900 to 2060. Chinese festivals are ...

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The calendar was the center of Maya life and their greatest cultural achievement. To carry ...

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The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well ...

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A list of many American Indian tribe's names for months, days, and other calendar related ...

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Applets related to calendars and keeping time, including sidererial time.

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Information on date, time, and time zones from the New York Public Library.

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Extensive descriptions of many astronomical time keeping systems, with information on time zones and Julian ...

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A proposal for a non-sectarian, culturally neutral calendar system.

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Questions and answers to satisfy the hearts of true millennium buffs.

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History and FAQs of calendars, from ancient Rome to outer space. Including Julian, Gregorian, Jewish, ...

Calendopaedia (Popularity: )

The Encyclopaedia of Calendars.

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An explanation of the calendar including the origin of the day, week, month and year.

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Published by Cambridge University Press. Gives a unified algorithmic presentation of the Gregorian, ISO, Julian, ...