https://www.youtube.com/watch?v=CEoG65Y-vbM&t=496s
In a URL like this, just look for the &t=496s and change it to =01s, and it will start at the first second.
https://www.youtube.com/watch?v=CEoG65Y-vbM&t=01s
Yes, I thought of that after I realized what happened.