Eid Al-Adha begins on the 10th of Dhu al-Hijja, the 12th month of the Islamic year and ends on the 13teenth day of Dhu al-Hijja. Commemoration of Ibrahim's willingness to follow God's command to sacrifice his only son, Ismail in obedience to a command from God.
Source: maxabout.com
Source: maxabout.com