Eid Al Adha starts on Sunday.
An observatory centre in Saudi Arabia sighted the moon that signals the start of the new month on Thursday, 1st August.
In the UAE, public and private holidays have previously been set out for the occasion.
The Federal Authority For Government Human Resources (FAHR) confirmed in a tweet that in the UAE, Arafat day will fall on 9th Dhu Al Hijjah 1440, with Eid following on the 11th, 12th, 13th of that same Islamic month.
This should mean Sunday, 11th August-Tuesday 13th will be paid holidays for both the public and private sectors.
What is Eid Al Adha?
Muslims around the world will mark the feast of the sacrifice.
Celebrated in Muslim countries around the globe, Eid Al Adha translates as ‘Feast of the Sacrifice.’ It is customary for Muslims to sacrifice a goat or a sheep and the meat is shared between families and those in need, to remembers the willingness of Ibrahim to sacrifice his son, Ismail.
Also known as the Greater Eid, it marks the end of Hajj, the five-day religious journey that takes Muslims to the Grand Mosque in Mecca, Saudi Arabia.