Q: What is the ruling on fasting in Muharram? Should I fast the 9th and the 10th? A: It is recommended to fast Allah's month, al-Muharram due to the hadith, "The most virtuous prayer after the those obligated is prayer at night and the most virtuous fast after Ramadan is Allah's month al-Muharram". [Muslim] It is possible that the Prophet (peace be upon him) did not fast a lot during the month due to some excuse or him not knowing of its virtue until the end of his life. Ibn