*Parts of western China including western Xinjiang province (Kashgar) (although most locals observe UTC+06:00 even if it is officially UTC+08:00).

Historical time offsets

The southern half of Vietnam (Republic of Vietnam) was formerly part of this time zone prior to the national reunification on 30 April 1975, making it one hour ahead of North Vietnam. After 1975, the whole country came under the North Vietnamese

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