And of His portents are the night and the day and the sun and the moon. Do not prostrate to the sun or the moon; but prostrate to Allah Who created them, if it is in truth Him Whom ye worship.
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.