They said: O Shu'eyb! Doth thy way of prayer command thee that we should forsake that which our fathers (used to) worship, or that we (should leave off) doing what we will with our own property. Lo! thou art the mild, the guide to right behaviour.
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.