(68) باب ذِكْرِ اخْتِلاَفِ النَّاقِلِينَ لِخَبَرِ حَفْصَةَ فِي ذَلِكَ
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
English translation: Vol. 3, Book 22, Hadith 2341