Jami` at-Tirmidhi 156
جامع الترمذي#156SahihAnas bin Malik narrated:"Allah's Messenger prayed Zuhr when the sun had passed the zenith
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 2:8