Till, when he cometh unto Us, he saith (unto his comrade): Ah, would that between me and thee there were the distance of the two horizons - an evil comrade!
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.