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|19:08, 10 December 2018 UTC+08:00|
|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 the 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 30 April 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).