وَعَنْ سَمُرَةَ , أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ : " الصَّلَاةُ الْوُسْطَى صَلَاةُ الْعَصْرِ " .
It is narrated from Hazrat Samurah (may Allah be pleased with him) that once the Prophet (peace and blessings be upon him) said, "By the 'middle prayer' (Salat al-Wusta) is meant the Asr prayer."