JKR's site

[mstattersall]

> > On the main page, does the date on the "latest rumours" paper
> > say "19th, June, 2563?" Does this date mean anything to
> > anyone, or am I just completely thick?
> 
> A clue! A clue! It's the publication date of Book 6 -- patience is 
> the key!
> David

Here's a theory--maybe it's the date THIS year when the official 
announcement of publication will occur. I base this guess on the fact 
that OotP was released on 21 June last year, which was a Saturday, 
and 19 June is also a Saturday. The significance of 2563 escapes, 
though--is the WW calendar zero-dated differently from the muggle 
one, like the Chinese and Jewish calendars are from the Western one? 
If someone could work out when is the WW equivalent of BC/AD, we 
could be onto something.

On the other hand, it could just be one of JKR's famous red herrings.

MsTattersall,
who'll never get back the time
spent trying to open that &@$% door