The Hajj is a pilgrimage that all Muslims must perform at least once in their lifetime. It is performed between the 8th of Dhul-Hijjah and the 12th of Dhul-Hijjah of the Islamic calendar. The Hajj is a ritual that must be performed in Mecca and is one of the "five pillars of Islam". It is an obligation that must be fulfilled, but it is also an honor to perform. It must be done for the person to be considered a Muslim. It is an experience that one should never miss out on.