MMP beta title game managers in-game four more hours.
According to the official World of Warcraft Web site, effective Monday, June 7th the in-game support will be open four hours earlier. GM support will now begin at 8:00 am PDT and continue until 12:00 a.m. PDT. Although it will cost more to run the extra time, WoW is not effected much from the high revenues.
News source: GameZone