Julia Altshuler wrote:

> Mark Thorson wrote:
>
> > And the solution to that is in the middle of the baking time
> > rotate the cookie sheet 180 degrees.
> >
> > And to answer your question in advance: counterclockwise.
>
> I understand the wisdom of rotation but not counterclockwisedom. Why?

Coriolis force. In the Southern Hemisphere, it would be clockwise.
Hope this helps. :-)