(12) باب ذِكْرِ الاِخْتِلاَفِ عَلَى عَمْرِو بْنِ دِينَارٍ فِي حَدِيثِ ابْنِ عَبَّاسٍ فِيهِ
It was narrated that Ibn 'Abbas said:
" I am surprised at those who anticipate the moth, when the Messenger of Allah said: 'When you see the new crescent then fast, and when you see it, then stop fasting, and if it is obscured from you (too cloudy), then complete thirty days.
Reference: Sunan an-Nasa'i 2125
In-book reference: Book 22, Hadith 36
English translation: Vol. 3, Book 22, Hadith 2127