User Date / / user input
User Time : : user input
Time Zone Offset (HH) east   west of Greenwich
Daylight Savings Time (HH) subtract   add to time zone
Latitude (DD MM SS) °  north   south
Longitude (DD MM SS) °  east   west



This form displays information on the moon. Fill in the desired date, time zone, etc. and press [Calculate].

Note: Formulas were obtained from the Paul Schlyter web site, Computing planetary positions - a tutorial http://stjarnhimlen.se/comp/tutorial.html.

Note Moon images provided by Ernie Wright. For a full set of moon phase images, click here (images are at 6-degree intervals from 0 to 354, total of 60 images).

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This web page was last updated 09/10/17