Eid-ul-Adha, celebrated on the tenth day of Dhu-al-Hijjah, commemorates Prophet Ibrahim's willingness to sacrifice his son, Ismail. In 2024, India will observe Eid-ul-Adha on June 17. Globally, different countries will celebrate on June 16 or June 17, following the sighting of the crescent moon. The festival involves prayers, animal sacrifices, and communal gatherings.