Jordan hosts a variety of festivals throughout the year, some religious like Muharram, which celebrates the start of the Islamic New Year, but most an affair of culture. The Aqaba Traditional Arts Festival and the Jerash Festival are all held to remember the different people and traditions which make up this interesting and varied country.

Muharram is a cause for great celebration across many towns in Jordan as it marks of the beginning of the Islamic New Year in January. This happens on a different day each year according to the cycles of the moon.

Source: http://www.tsiholidays.com/package/general-information-jordan/