SpaceX announces a new date for the first flight of starships, and will fight again on April 20.

SpaceX tweeted Monday that it would try again on Thursday, April 20, local time, for the first test flight of a "starship" and super-heavy rocket. SpaceX cancelled its launch last night because of a pressure valve problem.

SpaceX's official website shows that the company will attempt to launch again on April 20, and the launch window will start at 8:28 pm (21:28 pm Beijing time on Thursday) and end at 9:30 pm (22:30 pm Beijing time on Thursday).

SpaceX will attempt to launch again on April 20. Interestingly, SpaceX's new launch date is related to 420. 420 is a slang term in marijuana culture. Previously, SpaceX CEO Elon Musk often linked his activities to the 420 number. In 2018, Musk offered to privatize Tesla for $420 a share, which caused a lot of trouble.

The netizens understood. The netizens also understood on Twitter. "What a wonderful launch time! 420!! "Some netizens commented at the bottom of SpaceX tweets that the accompanying picture also marked 420 three numbers on the starship arrow.

Musk has smoked marijuana and netizens have posted screenshots of Musk smoking marijuana on podcasts before.