Complex sentence: Programming from MyNetworkTV airs weeknights from 9 to 11 and Saturdays from 11:30 P.M. to 1:30 A.M. Fox's prime time schedule runs from 7 to 9 nightly and 6 to 9 on Sunday nights (all times Arizona MST).
Split into simpler sentences: Programming from MyNetworkTV airs weeknights from 9 to 11 and Saturdays from 11:30 at night to 1:30 in the morning. FOX's prime time schedule runs from 7 to 9 nightly and 6 to 9 on Sunday nights (all times Arizona MST).