This festival is said to be a festival of sacrifice. Some people celebrate Eid- ul- Azha because it ends the pilgrimage or Hajj for those Muslims who make a trip to Mecca each year. Eid ul-Adha annually falls on the 10th day of the month of Zil-Haj of Islamic calendar. The festivities last for three days. Eid ul-Adha occurs the day after the pilgrims conducting Hajj. Eid is a festival of Muslims that is celebrated all over the world. Eid-ul-Adha is also known as the festival of sacrifice and sacrifice feast. Eid- ul- Adha is celebrated on the tenth day of Zil Hajj, the Islamic month according to the Islamic calendar. The festival of Eid- ul- Adha is celebrated in the remembrance of Hazrat Abraham's readiness to forfeit Ishmael, his son for Allah. The story about this festival tells, how Hazrat Abraham was ready to kill his son and remained true to God. The story tells, how Allah told Hazrat Abraham, to lift up the foundation of Kaaba that was a holy place in Mecca. Allah also asked Hazrat Abraham to sacrifice his son, in a dream. Hazrat Abraham along with his son started moving towards Mina for the sacrifice. Some of the daemons tried to direct Hazrat Abraham away from his way but Hazrat Abraham was true to Allah and as he was just set to kill his son, Allah stopped him and gave him a sheep to sacrifice instead of sacrificing his son.