صَحِيحُ مُسْلِمٍ
Sahih Muslim 621 b
The Book of Mosques and Places of Prayer
It is recommended to pray `Asr early
وَحَدَّثَنِي هَارُونُ بْنُ سَعِيدٍ الأَيْلِيُّ، حَدَّثَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي عَمْرٌو، عَنِ ابْنِ شِهَابٍ، عَنْ أَنَسٍ، . أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يُصَلِّي الْعَصْرَ بِمِثْلِهِ سَوَاءً .
This hadith that the Messenger of Allah (ﷺ) used to offer the afternoon prayer like the one narrated above has been transmitted by Anas b. Malik by another chain of transmitters.
Sahih Muslim, 621 bSahihصحيح