Hawaii–Aleutian Time Zone Polynesia uses UTC−10 for its major cities. The Cook Islands also use the same time. These areas do not use DST. "Hawaii–Aleutian Time Zone" is a U.S. term and for that reason the Polynesian areas are not considered to be a part of the Hawaii–Aleutian Time Zone. Hawaii–Aleutian Time Zone The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST), by subtracting ten hours from Coordinated Universal Time (). The clock time in this zone is based on the mean solar time of the 150th meridian west of the Greenwich Observatory. The zone takes its name from the two areas it
Standard Tibetan Standard Tibetan Standard Tibetan is the most widely spoken form of the Tibetic languages. It is based on the speech of Lhasa, an Ü-Tsang (Central Tibetan) dialect. For this reason, Standard Tibetan is often called Lhasa Tibetan. Tibetan is an official language of the Tibet Autonomous Region of the People's Republic of China. The written language is based on Classical Tibetan and is highly conservative. Like many languages, Standard Tibetan has a variety of language registers: Tibetan is an ergative language. Grammatical constituents broadly have head-final word order: Unlike many other languages of East Asia and especially Chinese, another Sino-Tibetan