Sunan An-Nasa'i

It 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