Big Freeze: 10^100
Big Rip: 22 Billion
Big Crunch: 19 Billion
Big Bounce: Never?
Vacuum Decay: Any time, but end happens 18 Billion AT ABSOLUTE MOST
Big Slurp: Any time (can actually naturally happen), but end happens 18
Billion AT ABSOLUTE MOST Heat Death: 10^106?
Big Snap: 4 Billion