Late-night news in a few markets, CBC Television, in Canada that are located in the Eastern and Pacific Time Zones. In contrast, stations in the Central, Mountain, Alaska and Hawaii–Aleutian Time Zones air their final local newscasts of the day at 10:00 p.m. local time, with stations in other time zones following their own schedules. Late local newscasts are typically scheduled in-between a network's prime time and late night programming, allowing for a sizeable lead-in audience for the newscasts. Stations that are affiliated with Fox, The CW, MyNetworkTV, or that are independent stations tend to air their late newscasts at 10:00 p.m.
The Standard School Broadcast in Salt Lake City, Utah, KTAR in Phoenix, Arizona, KGLU in Safford, Arizona, KVOA in Tucson, Arizona, and KYUM in Yuma, Arizona, on Thursday at 10 a.m. Pacific time and 11 a.m. Mountain time. At that time, Carl Kalesch was the music director for the programs and John Grover was the announcer. The theme music for "The Standard School Broadcast," as well as "The Standard Hour," was "This Hour Is Yours". The theme was composed by Julius Haug, a violinist in the San Francisco Symphony Orchestra. "It was simple theme music, 45 seconds long," wrote radio historian John Dunning, "and