Sunday, 10 July.. First day of Eid al-Adha in these countries

International Astronomy Center: The Sultanate of Brunei, Malaysia and Indonesia officially announce that the sighting of the crescent has not been confirmed today. Hence, Friday, 1 July, shall be the first day of Dhu al-Hijjah, and Sunday, 10 July, will mark the first day of Eid al-Adha.