And the Book is placed, and thou seest the guilty fearful of that which is therein, and they say: What kind of a Book is this that leaveth not a small thing nor a great thing but hath counted it! And they find all that they did confronting them, and thy Lord wrongeth no-one.
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.