Ibn Umar reported: The Messenger of Allah ﷺ said two rakahs at Mina, and Abu Bakr (RA) after him, and Umar after Abu Bakr, and Uthman at the beginning of his caliphate; then Uthman observed four rakahs, and when Ibn Umar prayed with the Imam, he said four rakahs, but when he observed prayer alone, he said two rakahs.