Sunan an-Nasa'i, Volume 1, Book 6, Hadith 506 (DarusSalam) ⓘ
It was narrated from 'Aishah that the Messenger of Allah prayed 'Asr when the sun was in her room and the shadow had not appeared on her wall.
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنِ ابْنِ شِهَابٍ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم صَلَّى صَلاَةَ الْعَصْرِ وَالشَّمْسُ فِي حُجْرَتِهَا لَمْ يَظْهَرِ الْفَىْءُ مِنْ حُجْرَتِهَا .
also referenced under: Book 6, Hadith 509 (In-Book)