Those are a people who have passed away. Theirs is that which they earned, and yours is that which ye earn. And ye will not be asked of what they used to do.
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.