Hawaii–Aleutian Time Zone Polynesia uses UTC−10 for its major cities. The Cook Islands also use the same time. These areas do not use DST. "Hawaii–Aleutian Time Zone" is a U.S. term and for that reason the Polynesian areas are not considered to be a part of the Hawaii–Aleutian Time Zone. Hawaii–Aleutian Time Zone The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST), by subtracting ten hours from Coordinated Universal Time (). The clock time in this zone is based on the mean solar time of the 150th meridian west of the Greenwich Observatory. The zone takes its name from the two areas it
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