Servers will be up at 9 AM GMT according to the last update we have.

Quote Originally Posted by Foxkid View Post
The maintenance lasts from June 27 at 2 am till June 28 at 2 am (unless they finish early). So technically, tomorrow around 2:30-3 am it'll be playable for those with early access.

The maintenance is to patch the game to allow all the necessary information needed for shadow so those with early access can use them and those without the ea won't have their clients break or anything when a bunny, lion, dancer, or gunblade joins their queues or just stands nearby using abilities.
And you. TIMEZONES EXIST.