Yesterday Microsoft have announced that they will be moving their briefing time to June 11th which is a Sunday instead of their usual Monday morning conference. Bethesda have recently announced via Twitter that they will be holding their conference on Sunday night after Microsoft’s briefing. This isn’t shocking as Bethesda as always done Sundays since coming to E3.
They will share details soon on the exact time, location, and events to come for their time at E3.
— Bethesda Softworks (@bethesda) February 16, 2017