The 9th day of the last Islamic Lunar Calendar Month of Dhul Ḥijjah, and the day before EidAn Islamic religious festival and holiday. The ahadith list four days as being specific days of Eid: • Eid al-Adha - the 10th of Dhu’l Hijjah to complete the Hajj• Eid al-Fitr - the 1st... More al-Adha (one of the religious festivals). This is one of the most important days of the year for Muslims, and there are special prayers and supplications recommended for this day – such as praying for forgiveness and reciting Dua al-Arafah which was composed by Imām Ḥusayn (‘a).