The Desirability of Observing Three Days of Fasting in Every Month

Imam Al-Nawawi’s Riyad-us-Saliheen
Chapter 230
The Desirability of Observing Three Days of Fasting in Every Month

1258. Abu Hurairah (May Allah be pleased with him) reported: My friend (the Messenger of Allah) (sallallaahu ’alayhi wa sallam) directed me to observe fast for three days in every month, to perform two Rak`ah (optional) Duha prayer at forenoon and to perform the Witr prayer before going to bed.
[Al-Bukhari and Muslim].

1259. Abud-Darda (May Allah be pleased with him) reported: My friend (the Messenger of Allah) (sallallaahu ’alayhi wa sallam) directed me to observe Saum (fasting) for three days in every month, to perform two Rak`ah (optional) Duha prayer at forenoon, and to perform the Witr prayer before going to bed.
[Al-Bukhari and Muslim].

1260. `Abdullah bin `Amr bin Al-`As (May Allah be pleased with them) reported: The Messenger of Allah (sallallaahu ’alayhi wa sallam) said, “Observing Saum (fasting) on three days of every month is equivalent to a full month’s fasting.”
[Al-Bukhari and Muslim].

1261. Mu`adhah Al-`Adawiyah (May Allah be pleased with her) reported: I asked `Aishah (May Allah be pleased with her). Did the Messenger of Allah (sallallaahu ’alayhi wa sallam) use to observe three days of Saum (fasting) in every month?” She replied, “Yes.” I asked, “On which days in the month did he observed fast?” She replied that he did not mind on which days of the month he observed fast.
[Muslim].

1262. Abu Dharr (May Allah be pleased with him) reported: The Messenger of Allah (sallallaahu ’alayhi wa sallam) said, “If you want to observe Saum on three days in a month, then fast on the thirteenth, fourteenth and fifteenth of the (lunar) month.”
[At-Tirmidhi].

1263. Qatadah bin Milhan (May Allah be pleased with him) reported: The Messenger of Allah (sallallaahu ’alayhi wa sallam) directed us to observe Saum (fasting) on the thirteenth, fourteenth and fifteenth of the (lunar) month.
[Abu Dawud].

1264. Ibn `Abbas (May Allah be pleased with them) reported: It was the practice of the Messenger of Allah (sallallaahu ’alayhi wa sallam) to not to omit fast on `bright days’ whether he was staying at a place or on a journey.
[An-Nasa’i].