And of His portents is the creation of the heaven and the earth, and of whatever beasts He hath dispersed therein. And He is Able to gather them when He will.
Times are computed by method; your mosque's timetable governs the adhan. Every text carries its source and grade. Nothing here is a fatwa, a prediction, or a substitute for a doctor: your own scholar decides what is contested, and the tradition itself says the practice is alongside treatment, never instead of it.