(70) باب صَوْمِ النَّبِيِّ صلى الله عليه وسلم - بِأَبِي هُوَ وَأُمِّي - وَذِكْرِ اخْتِلاَفِ النَّاقِلِينَ لِلْخَبَرِ فِي ذَلِكَ
It was narrated that Hafsah said:
"The Messenger of Allah used to fast Thursday and Monday of each month, and Monday of the following week." (DE)
Reference (DE): Sunan an-Nasa'i 2366 (DE)
In-book reference (DE): Book 22, Hadith 277 (DE)
English translation (DE): Vol. 3, Book 22, Hadith 2368 (DE)