*When* did Dumbledore die?

[another_potter_fan]

No: HPFGUIDX 145132

Pippin:
<SNIP>
Dumbledore
> died of the poison, IMO, some ten or twenty minutes 
> after he'd fallen from the tower. He may have been
> conscious long enough to open the locket, he may
> have decided not to call for aid in order to preserve
> Snape's cover and keep the vow from going into effect,
> or because his first priority was to see that Snape and
> Harry got the Death Eaters out of the school. Any
> way you slice it, neither of them is a murderer in this
> scenario. Death by misadventure.
<SNIP>

Another_Potter_Fan writes:

Pippin,
Only one thing: what of the Unbreakable Vow? If Snape didn't kill 
DD, then he should be dead as a consequence of breaking the UV. 
Thoughts?

Another_Potter_Fan