Sunan an-Nasa'i 562
سنن النسائي#562SahihIt was narrated that Ibn 'Abbas said:"I heard more than one of the Companions of the Prophet (ﷺ) - including 'Umar who was one of the dearest of them to me - that the Messenger of Allah (ﷺ) forbade praying after Fajr until the sun had risen, and praying 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:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 6:69