I think it is EST, sine few of the events were based on EST.
Originally Posted by FakeTruth
I suppose it'll be GMT-5 or -6. Which is EST *thinks*.
Just becouse TFT is in USA, unless they will have GM's all over the world, but I don't think so. At least not in the beginning.
The GMs must be very close to their Head Quarters, so yeah, GMs aren't all over the places.