Abu Qatadah Al-Ansari (RAA) narrated, ‘The Messenger of Allah ( صلی اللہ علیہ وسلم ) was asked about fasting on the day of Arafah (the 9th of the month of Dhul Hijjah). He replied, "Fasting on the day of Arafah is an expiation for the preceding year and the following year.”He was also asked about fasting on the day of Ashura (the 10th of the month of Muharram). He replied,“Fasting on the day of Ashura is an expiation for the preceding year.”The Messenger of Allah ( صلی اللہ علیہ وسلم ) was also asked about fasting on Monday, and he replied, "This is the day on which I was born and the day on which I was sent (with the Message of Islam) and the day on which I received revelation." Related by Muslim.

Abu Aiyub Al-Ansari (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said: "Whoever fasts during the month of Ramadan and then follows it with six days of Shawwal will be (rewarded) as if he had fasted the entire year." Related by Muslim.

Abu Sa'id Al-Khudri (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said:“No servant (of Allah) fasts on a day (merely) for the sake of Allah except that Allah pushes the Hellfire seventy years further away from his face, due to fasting on this day.”Agreed upon and the wording is from Muslim.

'A’isha (RAA) narrated, ‘The Messenger of Allah ( صلی اللہ علیہ وسلم ) used to fast until one would say, he never breaks his fast (i.e. he never stops fasting), and he would abandon fasting (at other times) until one would say that he never fasts. And I never saw the Messenger of Allah ( صلی اللہ علیہ وسلم ) fast for a complete month except for the month of Ramadan, and I never saw him fast in a month more than he did in the month of Sha’ban.”Agreed upon and the wording is from Muslim.

Abu Dharr (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) commanded us to fast for three days of every month; that is on the days of the full moon; the 13th , 14th , and 15th (of the lunar month).’ Related by An-Nasa’i and At-Tirmidhi and rendered authentic by Ibn Hibban.

Abu Hurairah (RAA) narrated that The Messenger of Allah said, "A woman is not to fast (even) for one day while her husband is present except with his permission" Agreed upon and the wording is from Al-Bukhari. Abu Dawud’s version states,“unless it is during Ramadan (then she does not need his permission as it is obligatory fasting).”

Abu Sa'id Al-Khudri (RAA) narrated. ‘The Messenger of Allah ( صلی اللہ علیہ وسلم ) has prohibited fasting on two days; the day of Fitr (breaking the fast of Ramadan) and on the day of sacrifice ('Idul Adha).’ Agreed upon.

Nubaishah Al-Hudhali (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said:“The days of Tashriq (the three days following 'Idul Ad-ha, i.e. 11th , 12th and 13th of Dhul Hijjah) are days of eating, drinking and remembering (dhikr) of Allah, the Most Great and Glorious." Related by Muslim.

'A’isha and lbn 'Umar (RAA) narrated, ‘Nobody was allowed to fast on the days of Tashriq except for those, who could not afford the Hadi (sacrifice).' Related by Al-Bukhari.

Abu Hurairah (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said: "Do not single out Friday night (i.e. the night preceding Friday) among all the other nights for performing the night prayer. Also, do not single out Friday among other days for fasting, unless it coincides with the days one regularly fasts." Related by Muslim.