Hadith 2420
Chapter 83: How to Fast Three Days of Each Month, And Mentioning The Differences Reported by The Narrators In The Narration Regarding that - كتاب الصيام
أَخْبَرَنَا مَخْلَدُ بْنُ الْحَسَنِ، قَالَ حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ زَيْدِ بْنِ أَبِي أُنَيْسَةَ، عَنْ أَبِي إِسْحَاقَ، عَنْ جَرِيرِ بْنِ عَبْدِ اللَّهِ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " صِيَامُ ثَلاَثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ صِيَامُ الدَّهْرِ وَأَيَّامُ الْبِيضِ صَبِيحَةَ ثَلاَثَ عَشْرَةَ وَأَرْبَعَ عَشْرَةَ وَخَمْسَ عَشْرَةَ " .
It was narrated from Jarir bin 'Abdullah that the Prophet said:
"Fasting three days of each month is fasting for a lifetime, and the shining days of Al-Bid, the thirteenth, fourteenth and fifteenth."
Reference : Sunan an-Nasa'i 2420
In-book reference : Book 22, Hadith 331