Sahih Muslim 1383
صحيح مسلم#1383SahihA'isha, the wife of the Apostle (ﷺ), said that the Messenger of Allah (ﷺ) said the afternoon prayer (at the time) when the sun shone in her apartment and its shadow did not extend beyond her apartment
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: 5:217