Abu Karayb, Muhammad bin al-'Ala' محمد بن العلاء - أبو كريب · The Book on Military Expeditions

"I heard Sulaim bin 'Amir saying: 'There was a treaty between Mu'awiyah and the people of Rome. He was making an expedition into their lands so that when the period of the treaty was expires he would attack them. So when a man upon an animal' - or - 'upon a horse said: "Allahu Akbar! Fulfillment not betrayal!" - and it turned out to be 'Amr bin 'Abasah - Mu'awiyah asked him about that. He said: "I heard the Messenger…

"I fought along with the Prophet (ﷺ), and if Fajr had begun he would wait until the sun rose, and when it rose he would fight. And if it was the middle of the daytime, he would wait until the sun passed the zenit, and when it passed the zenith he would fight until 'Asr. Then he would wait until he prayed 'Asr, then he would fight." He said: "And it is used to be said during that (time) the…