Robert Makemson Guide to Astronomy in Jacksonville

Phases of the Moon

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Phases of the Moon

Enter a year between 1700 and 2035 in the form below and press the "Get Data" button to obtain a calendar showing the dates of the primary phases of the Moon for that year.




For definitions of the phases, see the explanation of Phases of the Moon and Percent of the Moon Illuminated in the Astronomical Information Center. In addition, the explanation of Crescent Moon Visibility discusses the waxing crescent phase.

Time Format