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
Eastern Aleutian Tribes Eastern Aleutian Tribes Eastern Aleutian Tribes (EAT) was formed in 1991 and includes seven Aleut tribes from the Aleutian Islands and Alaska Peninsula. Eastern Aleutian Tribes includes the Agdaagux Tribal Council (King Cove), Akutan Traditional Council (Akutan), Nelson Lagoon Tribal Council (Nelson Lagoon), Unga Tribal Council (Unga in Sand Point), Qagan Tayagungin Tribal Council (Sand Point), False Pass Tribal Council (False Pass) and the Pauloff Harbor Tribal Council (Sanak in Sand Point). EAT provides medical, dental, optometric, and behavioral health services in federally qualified health centers in the communities of Adak, Akutan, Cold Bay, False Pass, King Cove, Nelson Lagoon,