Hadith 2339
Chapter 68: Mentioning the Differences Narrated by those who Reported the Narration from Hafsah concerning that - كتاب الصيام
أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ أَنْبَأَنَا سُفْيَانُ، عَنِ الزُّهْرِيِّ، عَنْ حَمْزَةَ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ، عَنْ حَفْصَةَ، قَالَتْ لاَ صِيَامَ لِمَنْ لَمْ يُجْمِعِ الصِّيَامَ قَبْلَ الْفَجْرِ .
It was narrated that Hafsah said:
"There is no fast for the one who does not intend to fast before dawn.
Reference : Sunan an-Nasa'i 2339
In-book reference : Book 22, Hadith 250