Jami` at-Tirmidhi 183

جامع الترمذي#183Sahih

Ibn Abbas narrated:"I head more than one of the Companions of the Prophet; Umar bin Al-Khattab among, and he was one of the most beloved among them to me - (narrating) that Allah's Messenger prohibited the Salat after Fajr until the sun had risen, and the Salat after Asr until the sun had set

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

Bashar Awad MaaroufHasan Sahih

Zubair Ali ZaiSahih - Agreed Upon

In-book reference: 2:35

All of Jami` at-Tirmidhi