Sunan an-Nasa'i 2336
سنن النسائي#2336Sahihأَخْبَرَنَا الرَّبِيعُ بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنَا ابْنُ وَهْبٍ، قَالَ أَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، قَالَ أَخْبَرَنِي حَمْزَةُ بْنُ عَبْدِ اللَّهِ بْنِ عُمَرَ، عَنْ أَبِيهِ، قَالَ قَالَتْ حَفْصَةُ زَوْجُ النَّبِيِّ صلى الله عليه وسلم لاَ صِيَامَ لِمَنْ لَمْ يُجْمِعْ قَبْلَ الْفَجْرِ .
Hamzah bin 'Abdullah bin 'Umar narrated that his father said:"Hafsah, the wife of the Prophet said: 'There is no fast for the one who does not intend (to fast) before dawn
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:
Abu GhuddahSahih Muquf
Al-AlbaniSahih Muquf
Zubair Ali ZaiIsnaad Sahih
In-book reference: 22:247