If its like last year, the even starts 3am everyday (19-22 July for Malaysia).
I'm not sure whether they made changes to this, but since its still in Seattle, I reckon it will remain the same.

Edit: only put the dates for main event. refer to this article if you want the dates for wildcards and group stages:
From GosuGamers
Good luck OP in hosting the event! May I know what uni you are in?

This post has been edited by l4nc3k: Jul 1 2014, 04:34 PM

just double checked, and I shouldn't doubt myself Main event starts at 3am GMT +8 (our time) until 12~2pm everyday. I watched all the matches live that time and had no sleep for the whole week lol. Refer to the link below.
Last Year's Schedule

Edit: btw OP, if you really plan on doing this event, can register at this place (the official TI4 pubstomp website) so that more people will get to know about this. (otakus don't read posters around uni )
The International Pubstomp

This post has been edited by l4nc3k: Jul 1 2014, 04:48 PM

not that late laa its fun to listen to the talk desk (i forgot what it is called - the one with bruno 2gd merlini and maelk) analyse about yesterday's games. but usually I also wake up at 3.40+