On the authority of Abu Hurayrah, who said: The Messenger of Allah, peace and blessings be upon him, commanded me to pray the two rak'ahs of Duha, not to sleep except after performing Witr, and to fast three days of every month. (1)

2407 - Muhammad ibn Rafi' informed us, Abu al-Nadr narrated to us, Abu Mu'awiyah narrated to us, on the authority of 'Asim, on the authority of al-Aswad ibn Hilal, on the authority of Abu Hurayrah, who said: The Messenger of Allah, peace and blessings be upon him, commanded me to sleep after performing Witr, to perform the ritual bath on Friday, and to fast three days of every month. (2) (3)

82 - Chapter: Mention of the discrepancy regarding Abu 'Uthman in the hadith of Abu Hurayrah concerning fasting three days of every month

2408 - Zakariyya ibn Yahya informed us, he said: 'Abd al-A'la narrated to us, he said: Hammad ibn Salamah narrated to us, on the authority of Thabit, on the authority of Abu 'Uthman, that Abu Hurayrah said: I heard the Messenger of Allah, peace and blessings be upon him, say: "The month of patience and three days of every month constitute fasting for all time." (4)

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(1) A sound hadith, and it is a repetition of hadith (2369) in both chain and text.
(2) This hadith was omitted from (R), and was restored in the margins of (K) and (M), with a note in their margins indicating its presence in "al-Atraf," and that it was omitted from some copies, and in (H) there is a copy mark.
(3) Its chain is good, and it has preceded under number (2405). Abu al-Nadr: he is Hashim ibn al-Qasim, and Abu Mu'awiyah: he is Shayban ibn 'Abd al-Rahman al-Nahwi. It is in "al-Sunan al-Kubra" under number (2727). Ahmad (8384) also narrated it from Abu al-Nadr, with this chain.
(4) Its chain is sound. 'Abd al-A'la: he is ibn Hammad al-Narsi, and Thabit: he is ibn Aslam al-Bunani, and Abu 'Uthman: he is 'Abd al-Rahman ibn Mall al-Nahdi. It is in "al-Sunan al-Kubra" under number (2729). Ibn Hibban (3659) also narrated it via the route of 'Abd al-A'la ibn Hammad, with this chain. Ahmad (7577), (8986), and (10663) also narrated it through various routes from Hammad ibn Salamah, with it. And see the two following hadiths. =