Yukon Time Zone clocks ahead yet another hour on October 30, 1983 to adopt Alaska Standard Time (the former Yukon Standard Time), effectively changing their standard time zone by two hours. Most of the Aleutian Islands moved from the Bering Time Zone (UTC-11) to the Hawaii-Aleutian Standard Time Zone (UTC-10) (until 1983 known as the Alaska-Hawaii Standard Time Zone). Yukon Time Zone The Yukon Time Zone was a time zone that kept standard time; Yukon Standard Time (YST) was obtained by subtracting nine hours from Coordinated Universal Time (UTC) resulting in UTC−9. Yukon Daylight Time (YDT) when observed was eight hours behind UTC.
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)