31.223 http://www.mohammeds-koran.com/texts/hadith/bukhari/31/31.223 http://www.mohammeds-koran.com/@@site-logo/Jihad_Sword_White_Background.png 31.223 Narrated Abu Musa: The day of 'Ashura' was considered as 'Id day by the Jews. So the Prophet ordered, "I recommend you (Muslims) to fast on this day."