Construct and share a URL that looks like this:
Where i is a YouTube video ID like dQw4w9WgXcQ, and t is the
unix time you want the video to start.
- Video will start playing together for everyone.
- People joining late will join in sync with other viewers.
- If needed, open the link again to re-sync with everyone else.
Some convenient unix times:
- One minute from now: 1603407254
- Ten minutes from now: 1603407794
- One hour from now: 1603410794