The Gaming worlds Showcase Extravaganza is almost upon us starting with probably the most exciting part of E3, the Press Conferences.
Neogaf User Cheesemeister has created this fantastic chart which gives you the time based on your timezone:
The last 2 years the Official E3 youtube channel has been rock solid for most of these conferences so I would definitely go this route when streaming:
2016 E3 Youtube Live
Wall-to-wall coverage of E3, including major press conferences from Xbox, Ubisoft and PlayStation. Join Geoff Keighley and your favorite creators live from Los Angeles. Coverage begins Monday, June 13 at Noon ET / 9 AM PT
2016 Bethesda E3 Showcase:
https://www.youtube.com/watch?v=Z_1mzhRQSsM&oref=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DZ_1mzhRQSsM&has_verified=1
Will update page when any available streams and new information is made available.