Question: when did television started broadcasting 24 hours a day
Answer: MyNetworkTV originally started as a conventional network with a format primarily consisting of English language telenovelas ; however , after experiencing continued low ratings for its prime time - exclusive schedule ( even after several programming revamps that followed over the next three years after the initial format faltered ) , it converted into a `` broadcast syndication service '' in September 2009 , adopting a format made up of reruns of series originally aired on other networks for ten hours a week on Monday through Fridays .