Sahih Bukhari Volume 3, Book 31, Hadith Number 218.Sahih Bukhari Book 31. Fasting Narated By Salim’s father : The Prophet said, “Whoever wishes may fast on the day of ‘Ashura’.” Related Previous Post Sahih Bukhari Volume 3, Book 31, Hadith Number 219. Next Post Sahih Bukhari Volume 3, Book 31, Hadith Number 217.