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|Central||120 degrees E|
|Western border (nautical)||112.5 degrees E|
|Eastern border (nautical)||127.5 degrees E|
|Date-time group (DTG)||H|
With an estimated population of 1.708 billion living within the time zone, roughly 24% of the world population, it is the most populous time zone in world, as well as a possible candidate for ASEAN Common Time.
This time zone is used in all Chinese-speaking countries, giving international Chinese websites the same time.
The southern-half of Vietnam (Republic of Vietnam) was formerly part of this time zone prior to the communist takeover of the South on April 30, 1975, making it 1 hour ahead of North Vietnam. After 1975, the whole country came under the North Vietnamese time zone, UTC+07:00.
As standard time (all year round)Edit
- China - China Standard Time
- Hong Kong - Hong Kong Time (Hong Kong Standard Time)
- Macau - Macau Time (Macau Standard Time)
- Mongolia - (most of the country) - Time in Mongolia
- Taiwan - National Standard Time
- Philippines - Philippine Standard Time
- Brunei - Brunei Darussalam Standard Time
- Malaysia - Malaysia Standard Time
- Singapore - Singapore Standard Time
- Indonesia (Central areas) - Indonesia Central Time
- Some bases in Antarctica. See also Time in Antarctica.
Discrepancies between official UTC+08 and geographical UTC+08Edit
This section is only partly updated for Russia which had the latest time zone changes in 2016.
Areas located within UTC+08 longitudes using other time zonesEdit
This concerns areas within 112°30′ E to 127°30′ E longitude.
- Parts of Indonesia, including eastern East Java with its capital city Surabaya, most of Central Kalimantan, and eastern part of West Kalimantan, where UTC+07:00 is used.
- The western parts of Korea, including the South Korean capital city, Seoul, where UTC+09:00 is used.
Areas located outside UTC+08 longitudes using UTC+08 timeEdit
Areas between 127°30′ E and 142°30′ E ("physical" UTC+09)Edit
- Parts of (north)eastern China including the eastern half of Heilongjiang Province and the Yanbian Korean Autonomous Prefecture in Jilin Province.
- Easternmost parts of Western Australia.
Areas between 97°30′ E and 112°30′ E ("physical" UTC+07)Edit
From south to north:
- Many parts of central China including:
- Most of central Mongolia including the capital Ulaanbaatar.
- In Russia, most of:
Areas between 82°30′ E and 97°30′ E ("physical" UTC+06)Edit
- Parts of China
- Western Mongolia.
Areas between 67°30′ E and 82°30′ E ("physical" UTC+05)Edit
- Parts of western China including western Xinjiang province (although most locals observe UTC+06 even if it is officially UTC+08).