(13) باب ذِكْرِ الاِخْتِلاَفِ عَلَى مَنْصُورٍ فِي حَدِيثِ رِبْعِيٍّ فِيهِ
It was narrated from Ribi that one of the Companions of the Prophet said:
"The Messenger of Allah said: 'D not anticipate the month until you complete the number, or you see the crescent. Then fast, and do not stop fasting until you see the crescent, or your complete thirty days."' (Sahih) Al-Hajjaj bin Artah reported it in a Mursal from.
Reference: Sunan an-Nasa'i 2127
In-book reference: Book 22, Hadith 38
English translation: Vol. 3, Book 22, Hadith 2129