US有11个 time zone，China只有1个# PhotoGear - 摄影器材
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UTC−12:00 (unofficial) — Baker Island and Howland Island
UTC−11:00 (ST) — American Samoa and Midway Atoll
UTC−10:00 (HAT) — Hawaii and most of the Aleutian Islands
UTC−09:00 (AKT) — most of the state of Alaska
UTC−08:00 (PT) — the states on the Pacific coast plus Nevada and
parts of Idaho
UTC−07:00 (MT) — Arizona, Colorado, Montana, New Mexico, Utah, parts
of Idaho, Kansas, Oregon, Nebraska, North Dakota, South Dakota, and Texas
UTC−06:00 (CT) — Gulf Coast, Tennessee Valley, U.S. Interior
Highlands, Great Plains, and most of Texas
UTC−05:00 (ET) — the states on the Atlantic coast, the eastern two-
thirds of the Ohio Valley and most of Michigan
UTC−04:00 (AT) — Puerto Rico, the U.S. Virgin Islands and Palmer
Station
UTC+10:00 (ChT) — Guam and the Northern Mariana Islands
UTC+12:00 (unofficial) — Wake Island, McMurdo Station, and Amundsen-Scott
South Pole Station
UTC−11:00 (ST) — American Samoa and Midway Atoll
UTC−10:00 (HAT) — Hawaii and most of the Aleutian Islands
UTC−09:00 (AKT) — most of the state of Alaska
UTC−08:00 (PT) — the states on the Pacific coast plus Nevada and
parts of Idaho
UTC−07:00 (MT) — Arizona, Colorado, Montana, New Mexico, Utah, parts
of Idaho, Kansas, Oregon, Nebraska, North Dakota, South Dakota, and Texas
UTC−06:00 (CT) — Gulf Coast, Tennessee Valley, U.S. Interior
Highlands, Great Plains, and most of Texas
UTC−05:00 (ET) — the states on the Atlantic coast, the eastern two-
thirds of the Ohio Valley and most of Michigan
UTC−04:00 (AT) — Puerto Rico, the U.S. Virgin Islands and Palmer
Station
UTC+10:00 (ChT) — Guam and the Northern Mariana Islands
UTC+12:00 (unofficial) — Wake Island, McMurdo Station, and Amundsen-Scott
South Pole Station
