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 Zhuang Standard Zhuang Standard Zhuang (autonym: (pre-1982: ; Sawndip: ); ) is the official standardized form of the Zhuang languages, which are a branch of the Northern Tai languages. Its pronunciation is based on that of the Yongbei Zhuang dialect of Shuangqiao, Guangxi in Wuming District, Guangxi with some influence from Fuliang, also in Wuming District, while its vocabulary is based mainly on northern dialects. The official standard covers both spoken and written Zhuang. It is the national standard of the Zhuang languages, though in Yunnan a local standard is used. Standard Zhuang has six tones, reduced to two (numbered 7–8)