價格：免費
更新日期：2018-10-25
檔案大小：8.9 MB
目前版本：4.2
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Have you wondered where the sun will be?
With the position of the sun, you can
* Photography: find the best time taking your photograph.
* Travelling: avoid the strong sunlight.
* Curiosity: learn the sun's trajectory in the sky.
* ...
With "insolation", the amount of sunlight coming through a window, you can
* If you're finding a place to live, figure out what's the implication of the window facing.
* Understand why your room is warmer/cooler at certain times of a day
支援平台：iPhone, iPad