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
Standard Chinese Standard Chinese in the official context and the governments are keen to promote its use as a national lingua franca. The PRC in particular has enacted a law (the "National Common Language and Writing Law") which states that the government must "promote" Standard Mandarin. There is no explicit official intent to have Standard Chinese replace the regional varieties, but local governments have enacted regulations (such as the "Guangdong National Language Regulations") which "implement" the national law by way of coercive measures to control the public use of regional spoken varieties and traditional characters in writing. In practice, some elderly or