Today (U.S. TV program) debuted, it was seen live only in the Eastern and Central time zones, broadcasting for three hours each morning but seen for only two hours in each time zone. Since 1958, "Today" has been tape-delayed for the five other U.S. time zones (Central, Mountain, Pacific, Alaska and Hawaii–Aleutian). Partly to accommodate host Dave Garroway's declining health, the program ceased live broadcasts in the summer of 1958, opting instead to broadcast an edition taped the previous afternoon. The experiment, which drew criticism from many sides, ended when John Chancellor replaced Garroway in July 1961. "Today" was a two-hour program for many
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