IanCP - 10:49 pm on Jul 26, 2013 (gmt 0)
To change your account time zone:
On the Home tab, visit the Account settings page.
In the “Account information” section, next to “Time zone”, click edit.
Select your time zone from the drop-down list.
Unfortunately, all my “Account information” section only has:
Publisher ID: pub-1234567890
Customer ID: 1234567890
Active products: Content 68% publisher revenue share
Search 51% publisher revenue share
Account status: Open
Edited by me
No Time Zone? Maybe Australia doesn't have a Google Time Zone?