Allah hath not appointed anything in the nature of a Bahirah or a Sa'ibah or a Wasilah or a Hami, but those who disbelieve invent a lie against Allah. Most of them have no sense.
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.