http://www.newsweek.com/falcon-heavy-2019-spacex-rocket-launch-1385803

This weekend, SpaceX's Falcon Heavy—the most powerful rocket currently in operation—is scheduled to launch from the Kennedy Space Center in Cape Canaveral, Florida, in what will be its first commercial mission.

At present, the launch window is set for 6:36 p.m. through 8:35 p.m. EDT on April 7, according to Port Canaveral officials.