Sahih Bukhari Volume 3, Book 31, Hadith Number 138.Sahih Bukhari Book 31. Fasting Narated By Abu Huraira : The Prophet said, “None of you should fast a day or two before the month of Ramadan unless he has the habit of fasting (Nawafil) (and if his fasting coincides with that day) then he can fast that day.” Related Previous Post Sahih Bukhari Volume 3, Book 31, Hadith Number 139. Next Post Sahih Bukhari Volume 3, Book 31, Hadith Number 137.