Effects of time zones on North American broadcasting Effects of time zones on North American broadcasting The scheduling of television programming in North America (namely the United States, Canada, and Mexico) must cope with different time zones. The United States (excluding territories) has six time zones (Hawaii–Aleutian, Alaska, Pacific, Mountain, Central and Eastern), with further variation in the observance of daylight saving time. Canada also has six time zones (Pacific, Mountain, Central, Eastern, Atlantic and Newfoundland). Mexico has four time zones (Pacific, Mountain, Central, and Eastern). This requires broadcast and pay television networks in each country to shift programs in time to show them in different regions. Canadian
Department of the Pacific (USMC) were transferred to Fleet Marine Force Pacific and Headquarters Marine Corps. Department of the Pacific (USMC) Department of the Pacific (MarPac) was a United States Marine Corps ground training and administrative command established on November 15, 1920, which was responsible for the administration, training and equipment of the Marine Corps Units on the West Coast, 14th Naval District (Hawaii and outlying Pacific islands), 16th Naval District (the Philippines), 17th Naval District (Alaska and Aleutian Islands) and Marine Forces in Northern China (China Marines). The Department of the Pacific was activated as Marine Corps subheadquarters on November 15, 1920 at Marine