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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Copyright 2005 Muskegon Astronomical Society, Inc.

This web page was last updated 09/10/17