Sahih Muslim 1921
صحيح مسلم#1921SahihIbn 'Abbas reported:I heard it from so many Companions of the Messenger of Allah (ﷺ) and one among them is 'Umar b. Khattab, and he is most dear to me among them that the Messenger of Allah (ﷺ) prohibited observing of prayer after the dawn prayer till the sun rose and after the 'Asr till the sun set
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 6:349