朝拜查找器
找到麦加天房的方向，进行祈祷。
或者手动输入坐标
Sources used
This page works out a bearing from your coordinates to the Kaaba. Phone compass readings drift with sensor quality, phone cases, magnets, and being indoors.
Movable Type Scripts - 地理方位公式
用于记录当地朝拜计算背后的标准初始方位公式。