Time-turning

[Ceridwen]

No: HPFGUIDX 167499

Nikkalmati:
> Personally I hope Time turning does not return in book 7, it makes 
my  head ache!  

Close call there!.  If he had waited a moment longer, he would  have 
been killed.  Was that a possibility in the world JKR has  created?  
It looks like it was a possibility to me.  I assume his  future would 
have been wiped out and a new time-line created from that moment  
forward, one in which LV may succeed.

Ceridwen:
Personally, I can see this as a good reason for DD to send Harry and 
Hermione back in time, but it makes my head hurt, too, like thinking 
about the Big Bang and the future Big Shrink.

So, I think that, to begin the loop, Harry didn't die.  He blacked 
out, the Dementors inspected him and found that he wasn't what they 
wanted (or, for Horcrux!Harry people, they sucked LV's soul-bit out 
of him and left Harry's inocent soul intact), and left him alone.  
Snape conjured stretchers, brought the soulless Sirius and 
unconscious Harry etc. back to the castle, and Dumbledore decides to 
send Harry and Hermione back in time.

So, the looping sequence begins with Dumbledore conceiving to send 
Harry and Hermione back to change things.  The first time around, 
Buckbeak did die in the first time around, Sirius lost his soul, 
Harry did not see anyone casting a Patronus unless Snape originally 
cast one.  He only remembers seeing someone cast it because, to his 
future memory, the event had already happened.  They changed the 
timeline so that the new information would already be in their 
memories since it had "already happened" the minute DD conceived of 
sending them back.  Yes, I am suggesting another ancient, and very 
deep, magical contract sort-of thingie.

*whew!*

And the danger of Time Travel, and of seeing your future self, is 
demonstrated by Harry's newly-implanted memory of "seeing his father" 
and almost not acting soon enough to make the trip worthwhile.  
Hermione said dire things might happen, though she didn't have any 
concrete example, just vague notions.

Of course, he might have had a feverish sort of recollection of Snape 
casting a Patronus (and not using his alternate method for one reason 
or another), and imagining his father at that point due to being 
nearly unconscious.  I favor a memory changing when DD decides to 
send them back.

Ceridwen.