There's a good insight about these events:



Take a look at that video and relax. On the other hand, yes you are going to die. But when you die, you won't be alive to experience it, so don't worry about it
It might help to know that to this day no one has successfully performed a premonition under controlled settings. All you did was hallucinate or dream about a date (if it was really a date, you cannot even be sure of it), and that does not indicate anything that will happen in the future. Many times we just dream of things we have a secret fear of, and that's completely normal.

And by the way,