That is like 2 weeks ahead. Worse than waiting a week for a new episode of Game of Thrones or whatever.
Dude, if you announce your 4 day absence 14 days ahead, you have to expect some bad jokes about that in those 14 days.
I was ready for some drama there, but you disappointed me SirBadMuffin! Just kidding, enjoy the days you have... because those will be your last ones.