Sahih Muslim 1410
صحيح مسلم#1410SahihAnas b. Malik reported:We used to offer the 'Asr prayer, then one would go to Quba' and reach there and the sun would be still high
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: 5:244