Alaska Time Zone to 1967 refer to this zone as Central Alaska Standard Time (CAT) or as Alaska Standard Time (AST). In 1966, the Uniform Time Act renamed the UTC−10 zone to Alaska-Hawaii Standard Time (AHST), effective April 1, 1967. This zone was renamed in 1983 to Hawaii-Aleutian Standard Time when the majority of Alaska was moved out of the zone. Prior to 1983, the current Alaska Time Zone (UTC−9) was known as the Yukon Time Zone, observing Yukon Standard Time (YST). This time zone included Canada's Yukon Territory and a small portion of Alaska including Yakutat. The Alaska Panhandle communities were in
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