Welcome to ShadowFacts. This version is free. The Pro version is $1.99 USD. The Pro version has the ability to save and edit locations as well as over 1000 predefined locations.

ShadowFacts is a simple, yet powerful solar calculator that will tell you where and when the sun will rise and set as well as the sun's azimuth and elevation above the horizon throughout the day.

ShadowFacts is handy for photographers, architects, backpackers, river runners or anyone interested in the position of the sun.

此版本中的新功能：

Completely rewrote all calculation algorithms.

Added enhancements to inclinometer and compass.

ShadowFacts has undergone literally 10s of minutes of rigorous testing over a period of several months. Please let us know at feedback@GregHarley.com if you find any issues.