Sunan Abi Dawud

Ubaid Allah b. 'Abd Allah b. 'Utbah b. Mas'ud said:'Umar b. al-Khattab asked Abu Waqid al-Laithi: What did the Messenger of Allah (ﷺ) recite during the prayer on the day of sacrifice and on the breaking of the fast ? He replied: He recited at both of them Surah al-Qaf, ""By the Glorious Quran"" [50] and the Surah ""The Hour is nigh