To give a correct answer I would need to know where in the usa are we talking about, and where in Australia.These two countries alone have eight different time zones between them,considering there only twenty four in the world,thats a sizeable chunk.When I answered the question"what time is it in melbourne",I gave the simple formula for calculating the time anywhere in the world.Look up that specific Q&A.
It will start either 9:00 AM or 9:30 AM on February 7, 2011.
6:30 pm et
The Super Bowl games start at different times depending on the time zone, etc.
The Super Bowl kickoff is at 4:25 PM MST.
Super Bowl I started at 1pm Pacific; 4pm Eastern.
if your in central time zone the super bowl game starts at 5 pm on Fox
The kickoff of Super Bowl XLV is at 5:25 CST.
The actual Super Bowl kick-off is traditionally at 3:30 pm Pacific Time.
it starts at 6