The Zul Hijjah moon was sighted on Saturday evening; Eid Al Adha on August 21.
UAE has announced a week-long Eid Al Adha holiday for government ministries and departments, Wam reported on Saturday after Saudi Arabia sighted the Zul Hijjah moon today.

According to a tweet by Wam, the seven-day long break for the public sector was announced by the Council of Ministers.

The Supreme Court of Saudi Arabia announced the first day of Eid Al Adha on August 21 as the the month of Zul Hijjah begins on Sunday (August 12).

Also read: Some countries to celebrate first day of Eid on August 22

The Kingdom has announced an 11-day long Eid Al Adha holiday.
UAE's Federal Authority for Government Human Resources tweeted that the break will begin on August 19, with work resuming on August 26, 2018:

SOURCE : KHALEEJTIMES