It was narrated that ‘Ubaidullah bin ‘Abdullah said:“Umar went out on the day of ‘Eid and sent word to Abu Waqid Al-Laithi asking what the Prophet (ﷺ) used to recite on this day. He said: ‘Qaf [Qaf (50)] and ‘Iqtarabat’.” [Al-Qamar]

English translation · Sunan Ibn Majah