Mea Culpa! Harry always at Privet Drive at least until his birthday

[Eustace_Scrubb]

No: HPFGUIDX 92246

Samanya kindly checked Harry's departures from Privet Drive and the
earliest is:

PoA - leaves the day after his birthday ((pg 15 us pbck) after blowing
up Marge (pg 30 us pbck)

Eustace_Scrubb:
Thanks! As you say, the question is--on or before his birthday? 
Perhaps he'll finally get a proper birthday party, but where?  The
Burrow or Grimmauld Place?  Or will his departure be prompted by
war-time considerations?

This all has me thinking back to PS/SS again and wondering about
things I hadn't thought odd before:  1) How far from Little Whinging
was the Hut on the Rock?  2) How did Hagrid know it was safe for Harry
to travel by himself from London back to Little Whinging?  3) How did
Hagrid know the Dursleys would have made it back home before Harry got
there? 4) Is Harry as safe in the yard as he is in the house?  I can
see him sitting on the front stoop with Hedwig and his supplies,
twiddling his thumbs as the Dursleys pull back into the driveway,
scarcely able to believe that he's back again and horrified at what
the neighbours are thinking.

Cheers,

Eustace_Scrubb