The Moon Calendar 2010 is based on information supplied by the U.S. Naval Observatory. This government resource is a major source of data about astronomical cycles and the Naval Observatory Web site has lots of useful detail about past, current, and future events involving the Moon, the Sun, and the planets.

Links at this site provide practical tools with which to determine details about upcoming events, including specific times of rising, setting, and transit for the Moon and the Sun. This includes a critical variable — location.


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