They're aiming for 6:35 ET, from the page: We’re targeting today, Friday, March 4 at 6:35pm ET for launch of SES-9. The window extends to 8:06pm ET. The SpaceX

They're aiming for 6:35 ET, from the page: We’re targeting today, Friday, March 4 at 6:35pm ET for launch of SES-9. The window extends to 8:06pm ET. The SpaceX webcast is scheduled to go live here (on http://www.spacex.com/webcast http://www.spacex.com/webcast) and on YouTube about 10 minutes prior to launch. For rocket views, launch countdown audio and telemetry info, use this link for our technical webcast: https://www.youtube.com/watch?v=sIkPP2LM8DU https://www.youtube.com/watch?v=sIkPP2LM8DU