Maliks Muwatta Book 1, Hadith Number 1.
Section : The Times of Prayer. He said, “Yahya ibn Yahya al-Laythi related to me from Malik ibn Anas from Ibn Shihab that one day Umar ibn Abdal-Aziz delayed the prayer. Urwa ibn az-Zubayr came and told him that al-Mughira…