It is narrated from Ibn Shihab (may Allah have mercy on him) that Umar bin Abd al-Aziz (may Allah have mercy on him) delayed a prayer one day. Urwah bin al-Zubayr (may Allah have mercy on him) came in to him and informed him that Sayyiduna al-Mughirah bin Shu'bah (may Allah be pleased with him) once delayed the prayer while he was in Kufah, whereupon Sayyiduna Abu Mas'ud al-Ansari (may Allah be pleased with him) came in to him and said: O Mughirah! What is this? Do you not know that Jibril (peace be upon him) came down and prayed, and the Messenger of Allah (peace and blessings be upon him) prayed; then he prayed and the Messenger of Allah (peace and blessings be upon him) prayed; then he prayed and the Messenger of Allah (peace and blessings be upon him) prayed; then he prayed and the Messenger of Allah (peace and blessings be upon him) prayed; then he prayed and the Messenger of Allah (peace and blessings be upon him) prayed. Then he said: "This is what I was commanded." Umar (may Allah have mercy on him) said to Urwah (may Allah have mercy on him): O Urwah! Look at what you are narrating! Was it Jibril (peace be upon him) who fixed the time of prayer for the Messenger of Allah (peace and blessings be upon him)? Urwah (may Allah have mercy on him) said: That is how Bashir bin Abi Mas'ud (may Allah have mercy on him) narrates it from his father. Urwah (may Allah have mercy on him) said: Sayyidah Aishah (may Allah be pleased with her) narrated to me that the Messenger of Allah (peace and blessings be upon him) used to pray Asr while the sunlight was still in her room, before it had risen out of it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 1699