Welcome to ShadowFacts. This version is free. The Pro version is $0.99 USD. The Pro version has the ability to show lunar data and save/edit locations as well as over 1000 predefined locations. ShadowFacts is a simple, yet powerful solar calculator that will tell you where and when the sun will rise and set as well as the sun's azimuth and elevation above the horizon throughout the day. ShadowFacts is handy for photographers, architects, backpackers, river runners or anyone interested in the position of the sun. 欢迎ShadowFacts。这个版本是免费的。 Pro版本为$美金0.99。专业版必须证明月球数据并保存/编辑的位置，以及超过1000个预定义位置的能力。 ShadowFacts是一个简单而强大的太阳能计算器，会告诉你在哪里，当太阳升起，并设置以及太阳的方位角和仰角全天在地平线上。 ShadowFacts是非常方便的摄影师，建筑师，背包，河流亚军或有兴趣的人在阳光下的位置。
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.