The Prophet would also fast on the 13th, 14th and 15th day of the Islamic month, also on the tenth of Muharram and the 10th of Thul Hijjah. After the Prophet's migration he observed some Jews observing the fast on the tenth of Muharram, which is the fast of Ashura.
Ang Propeta gagawin mabilis din sa ika-13, ika-14 at ika-15 araw ng Islamic buwan, din sa ika-sampung ng Muharram at ang ika-10 ng Thul Hijjah.