Jami` at-Tirmidhi 534
جامع الترمذي#534Sahihحَدَّثَنَا إِسْحَاقُ بْنُ مُوسَى الأَنْصَارِيُّ، حَدَّثَنَا مَعْنُ بْنُ عِيسَى، حَدَّثَنَا مَالِكُ بْنُ أَنَسٍ، عَنْ ضَمْرَةَ بْنِ سَعِيدٍ الْمَازِنِيِّ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُتْبَةَ، أَنَّ عُمَرَ بْنَ الْخَطَّابِ، سَأَلَ أَبَا وَاقِدٍ اللَّيْثِيَّ مَا كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَقْرَأُ بِهِ فِي الْفِطْرِ وَالأَضْحَى قَالَ كَانَ يَقْرَأُ بـــ(ق والقرآنِ الْمَجِيدِ ) (اقْتَرَبَتِ السَّاعَةُ وَانْشَقَّ الْقَمَرُ ) . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ .
Ubaidullah bin Abdullah bin Utbah narrated:"Umar bin Al-Khattab asked Abu Waqid Al-Laithi what Allah's Messenger would recite during Al-Fitr and Al-Adha, so he said: 'He would recite: Qaf, By the Glorious Quran and the Hour has drawn near, and the moon has been cleft asunder
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 5:5