Muharram – is an important occasion which marks the holy day of Ashura. Muharram is one of the four sacred months of the year and is considered the holiest month of Ramadan. The word ‘Muharram’ means forbidden and sinful. According to the Islamic calendar, the holy day usually falls on the 10th day of the month of Muharram. Get access to all Muharram history, Muharram sunni, Significance of Muharram, the mourning of Muharram.