How (can there be any treaty for the others) when, if they have the upper hand of you, they regard not pact nor honour in respect of you? They satisfy you with their mouths the while their hearts refuse. And most of them are wrongdoers.
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.