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Does anyone have a FileMaker script to calculate sunrise and sunset?

Question asked by tonylisy on Feb 15, 2016
Latest reply on May 16, 2017 by jason_young

I am creating a FileMaker system for serious (professional) fisherman that allows them to track their fishing experiences. Some believe that the best times to fish are at sunrise, sunset, moon rise and moon set. I need to calculate those times from any date at a particular longitude and latitude. From the websites I have visited that do this, it is obviously not a simple calculation. Can anyone help?