diLan A - 2009-08-19

Hello,
My task times are 9:00 to 12:00
and 12:30 to 17:00

To implement that, i have created the new base calendar
(create new base calendar)
then select none default starting time,
and select the date,
but each time i try to add task, it start with 8am not 9am
where did i went wrong?