Imam al-Zuhri (may Allah have mercy on him) said: We were with Umar bin Abd al-Aziz (may Allah have mercy on him) when he delayed the Asr prayer, and Urwah said to him: Bashir bin Abi Mas'ud al-Ansari told me that Sayyiduna al-Mughirah bin Shu'bah (may Allah be pleased with him) once delayed the prayer, meaning Asr, and Sayyiduna Abu Mas'ud (may Allah be pleased with him) said to him: Listen, O Mughirah! By Allah, you know that Jibril (peace be upon him) came down and prayed, so the Messenger of Allah (peace and blessings be upon him) prayed and the people prayed with him (peace and blessings be upon him). Then he came down again and prayed, so the Messenger of Allah (peace and blessings be upon him) prayed and the people prayed with him (peace and blessings be upon him), until he counted five prayers. At this Umar bin Abd al-Aziz said to Urwah: Look at what you are saying, O Urwah! Was it Jibril who fixed the time of prayer? Urwah said to him: This is how Bashir bin Abi Mas'ud told it to me. The narrator said: So Umar bin Abd al-Aziz continued to recognise the time of prayer by a sign until he departed from this world.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 14783