Tuesdays (was Birthdays and calendars)

[dfrankiswork at netscape.net]

No: HPFGUIDX 23590

Gwendolyn Grace wrote:

>Then again, Halloween is on a
> Saturday every year, and the full moons are whenever Jo needs them. 

Seeing this reminded me...

In QTA, the beginnings of Quidditch are recorded in a diary 
(forgotten the name, book not to hand) in which every entry is a 
Tuesday.  Kennilworthy Whisp remarks that the author only knew one 
day of the week.

Is JKR telling a joke against herself?

David