https://www.gamespot.com/articles/world-of-warcraft-battle-for-azeroth-release-date-/1100-6461130/

The next expansion for World of Warcraft is finally here. The Battle for Azeroth adds another chapter to WoW's story, encompassing a new campaign for players to fight their way through.

Battle of Azeroth releases globally today. In the western hemisphere, the expansion launches at 3:00 PM PT / 6:00 PM ET / 7:00 PM BRT / 11:00 PM BST on August 13. For the eastern hemisphere, these times translate to 12:00 AM CEST / 1:00 AM MSK / 6:00 AM CST / 7:00 AM KST / 8:00 AM AEST on August 14.