(14) باب كَمِ الشَّهْرُ وَذِكْرِ الاِخْتِلاَفِ عَلَى الزُّهْرِيِّ فِي الْخَبَرِ عَنْ عَائِشَةَ
It was narrated that 'Aishah said:
"The Messenger of Allah swore not to come to his wives for a month, and twenty-nine days passed. I said: 'Did you not wives to keep away from you wives for a month? I have counted twenty-nine days.' The Messenger of Allah said: 'The month is twenty-nine days."'
Reference: Sunan an-Nasa'i 2131
In-book reference: Book 22, Hadith 42
English translation: Vol. 3, Book 22, Hadith 2133