And if they deny thee, even so did they deny messengers who were before thee, who came with miracles and with the Psalms and with the Scripture giving light.
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.