(68) باب ذِكْرِ اخْتِلاَفِ النَّاقِلِينَ لِخَبَرِ حَفْصَةَ فِي ذَلِكَ
It was narrated that Ibn 'Umar said:
"If a man does not intend to fast from the night before, he should not fast."
Reference: Sunan an-Nasa'i 2342
In-book reference: Book 22, Hadith 253
English translation: Vol. 3, Book 22, Hadith 2344