9am in Pacific time is probably more like your 3-4am (depends on where in Aus you live) - certainly you could create 'core hours' 1-5pm Pacific time which would

9am in Pacific time is probably more like your 3-4am (depends on where in Aus you live) - certainly you could create 'core hours' 1-5pm Pacific time which would at worse be your morning (early morning in your winter)