(10) باب ذِكْرِ الاِخْتِلاَفِ عَلَى الزُّهْرِيِّ فِي هَذَا الْحَدِيثِ
It was narrated from Abu Hurairah that the Messenger of allah sadi:
"When you see the crescent then fast, and when you crescent then fast, and when you see it, stop fasting. If it is obscured from you (too cloudy), then fast thirty days."
Reference: Sunan an-Nasa'i 2119
In-book reference: Book 22, Hadith 30
English translation: Vol. 3, Book 22, Hadith 2121