Dhul Hijjah moon was sighted in Saudi Arabia, making Friday – August 2, the first day of Dhul Hijjah. Therefore:
Day of Arafat-Saturday, 10th Aug
Eid Al Adha- Sunday, 11th Aug
The Prophet (PBUH) said, “There is no deed that is better in the sight of Allah or more greatly rewarded than a good deed done in the (first) ten days of Al-Adha”. It was asked, “Not even Jihad for the sake of Allah?” The Prophet (PBUH) replied, “Not even Jihad for the sake of Allah, unless a man goes out himself for Jihad taking his wealth with him and does not come back with anything.” Narrated by Al-Bukhari