When do holiday providers start advertising holidays for next year?

Question

For around May - June.

Answer 1

Some Cruises/grand tours are already taking bookings for 2010/2011 and some special events even 2012 and beyond.

Answer 2

As Crimlar noted it is ongoing, imagine signing up for a holday four years away. Not I.

I hardly know what will be happening tomorrow, much less next year!

--the life and budgeting woes of a uni student...