سُنَنُ النَّسَائِيِّ
Sunan an-Nasa’i 2418
The Book of Fasting
How to Fast Three Days of Each Month, And Mentioning The Differences Reported by The Narrators In The Narration Regarding that
أَخْبَرَنَا مُحَمَّدُ بْنُ عُثْمَانَ بْنِ أَبِي صَفْوَانَ الثَّقَفِيُّ، قَالَ حَدَّثَنَا عَبْدُ الرَّحْمَنِ، قَالَ حَدَّثَنَا أَبُو عَوَانَةَ، عَنِ الْحُرِّ بْنِ الصَّيَّاحِ، عَنْ هُنَيْدَةَ بْنِ خَالِدٍ، عَنِ امْرَأَتِهِ، عَنْ بَعْضِ، أَزْوَاجِ النَّبِيِّ صلى الله عليه وسلم قَالَتْ كَانَ النَّبِيُّ صلى الله عليه وسلم يَصُومُ الْعَشْرَ وَثَلاَثَةَ أَيَّامٍ مِنْ كُلِّ شَهْرٍ الاِثْنَيْنِ وَالْخَمِيسَ .
It was narrated from Hunaidah bin Khalid, from his wife, that one of the wives of the Prophet (ﷺ) said: "The Prophet (ﷺ) used to fast the ten (days), and three days of each month: Monday and Thursday."
Sunan an-Nasa'i, 2418Sahih (Darussalam)