Sahih al-Bukhari 586
صحيح البخاري#586SahihNarrated Abu Sa`id Al-Khudri:I heard Allah's Messenger (ﷺ) saying, "There is no prayer after the morning prayer till the sun rises, and there is no prayer after the `Asr prayer till the sun sets
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 9:61