Al-Muddaththir · verse 35 of 56

74:35

إِنَّهَا لَإِحْدَى ٱلْكُبَرِ ﴿35﴾

Lo! this is one of the greatest (portents)

74:35 · Al-Muddaththir · juz 29 · page 576 · tafsir at quran.com

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.