On the excellence of fasting the Day of 'Arafa, 'Ashura' and the ninth of Muharram

Riyad as-Salihin (The Meadows of the Righteous)

by Imam Nawawi

227. Chapter: On the excellence of fasting the Day of 'Arafa, 'Ashura' and the ninth of Muharram

1250. Abu Qatada said "The Messenger of Allah, may Allah bless him and grant him peace, was asked about fasting the Day of 'Arafat. He said, 'It expiates the past year and coming year.'" [Muslim]

1251. Ibn 'Abbas reported that the Messenger of Allah, may Allah bless him and grant him peace, fasted the Day of 'Ashura' and ordered it to be fasted. [Agreed upon]

1252. Abu Qatada reported that the Messenger of Allah, may Allah bless him and grant him peace, was asked about fasting the Day of 'Ashura' and said, "It expiates the past year." [Muslim]

1253. Ibn 'Abbas reported that the Messenger of Allah, may Allah bless him and grant him peace, said, "If I remain alive until next year, I will fast the ninth." [Muslim]