December 14, 2012. 24 Oras (24 HOURS) is the flagship national network news broadcast of GMA Network. A nightly national newscast which airs in the Philippines and worldwide via GMA Pinoy TV. It is aired Weeknights at 6:30-8:00 PM, Saturdays at 5:15 to 6:00 PM and Sundays at 6:00 to 6:45 PM (PST). The newscast is simulcasted on radio thru Super Radyo DZBB 594 kHz in Mega Manila and several of its regional Super Radyo stations nationwide.