Eid-e-Ghorban, also known as the Feast of Sacrifice or Al Eid Al Kabeer, is an important Islamic holiday observed on the 10th day of the Islamic month of Dhu al-Hijjah. This holiday commemorates the Prophet Ibrahim's willingness to sacrifice his son Ismail as an act of obedience to God. It is celebrated by millions of Muslims around the world and lasts for three to four days. The actual date of Eid-e-Ghorban is determined by lunar observations, which can lead to variations in its observance across different countries. Many Muslims travel to Mecca to participate in the Hajj pilgrimage during this period, and the holiday often includes special prayers and sermons in mosques. Traditional attire for the occasion includes kurta pajamas for men and saree salwar kameez for women.