These times are Central times. Speed channel coverage is live for Qualifying and race day.
http://f1.racing-live.com will give you more info if you need it.
FRIDAY 16 MAY
01:30-03:30 AM F1 Tests
04:00-05:00 AM Friday Free Practice Session 1
07:00-08:00 AM Qualifying Session 1
SATURDAY 17 MAY
02:00-02:45 AM Saturday Free Practice Session 1
03:15-04:00 AM Saturday Free Practice Session 2
06:30-06:45 AM Warm-Up Session
07:00-08:00 AM Qualifying Session 2
SUNDAY 18 MAY
07:00-09:00 AM Race: Austrian Grand Prix
now on race day there is a 1/2 pre-race show so for you the event starts at 6:30 AM on speed
Speed shows the event later that night as well.
the complete listings on speed are here as well...
http://www.speedtv.com/programs/28/