Abu Hurairah, narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said:“None of you should fast on Friday, unless he fasts together with the day before or the day after.”Agreed upon.

Abu Hurairah (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said: "When it is the middle of Sha'ban do not fast (until it is Ramadan).”Related by the five Imams, but Imam Ahmad declared it to be a weak narration.

As-Samma’ bint Busr (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said: "Do not fast on Saturday unless it is an obligatory fast. (Do not fast) even if you do not find anything (to eat) except for some grape peelings or the branch of a tree, in that case he should chew on it." Related by the five Imams and its narrators are reliable. Imam Malik disapproved this narration, and Abu Dawud said that this narration is abrogated.

Umm Salamah (RAA) narrated, The Messenger of Allah ( صلی اللہ علیہ وسلم ) used to fast more often on Saturdays and Sundays than on the other days. He would say, "They are the 'ids of the polytheists, and I love to act contrary to what they do." Related by An-Nasal and was rendered authentic by Ibn Khuzaimah, and the wording is his.

Abu Hurairah (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) forbade fasting on the day of Arafah for the one who is actually at Arafah (i.e. performing Hajj). Related by the five Imams except for At-Tirmidhi. Ibn Khuzaimah and al-Hakim graded it as Sahih.

’Abdullah Ibn 'Umar (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said:“May he, who perpetually fasts (without a break) never fast." Agreed upon. Muslim narrated on the authority of Abu Qatadah,“May he not fast or break his fast."