صَحِيحُ مُسْلِمٍ
Sahih Muslim 611 a
The Book of Mosques and Places of Prayer
The times of the five prayers
قَالَ عُرْوَةُ وَلَقَدْ حَدَّثَتْنِي عَائِشَةُ، زَوْجُ النَّبِيِّ صلى الله عليه وسلم أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يُصَلِّي الْعَصْرَ وَالشَّمْسُ فِي حُجْرَتِهَا قَبْلَ أَنْ تَظْهَرَ .
'Urwah (also) said: 'A'isha?, the wife of the Messenger (ﷺ) narrated it to me that the Messenger of Allah (ﷺ) used to say the afternoon prayer, when the light of the sun was there in her apartment before it went out (of it).
Sahih Muslim, 611 aSahihصحيح