Pacific Time Zone early November) is being observed. In Mexico, the corresponding time zone is known as the "Zona Noroeste" (Northwest Zone) and observes the same daylight saving schedule as the U.S. and Canada. The largest city in the Pacific Time Zone is Los Angeles; the city's metropolitan area is the largest in the zone. The zone is two hours ahead of the Hawaii–Aleutian Time Zone, one hour ahead of the Alaska Time Zone, one hour behind the Mountain Time Zone, two hours behind the Central Time Zone, three hours behind the Eastern Time Zone, and four hours behind the Atlantic Time Zone.
The Standard Hour series. A tradition of more than 30 years began with the first broadcast on the NBC Pacific Network, on October 24, 1926. "Though it was heard only on a partial network," wrote radio historian John Dunning, ""The Standard Hour" was a major musical series that spanned the entire length of network broadcasting." A 1943 brochure shows that the programs were carried on KPO in San Francisco, KFI in Los Angeles, KMJ in Fresno, KGW in Portland, Oregon, KOMO in Seattle, Washington, and KHQ in Spokane, Washington. The Sunday-evening series was ultimately heard in Hawaii and Alaska. The theme music for