Sunan an-Nasa'i 951
سنن النسائي#951SahihIt was narrated that Amr bin Huraith said:"I heard the Prophet (ﷺ) reciting: 'When the sun is wound round.' in fajr
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 11:76