UTC+09:00
Identifier for a time offset from UTC of +9
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ToursExplore Lably’s 3D toursDuring the Japanese occupations of British Borneo, Burma, Hong Kong, Dutch East Indies, Malaya, Philippines, Singapore, and French Indochina, it was used as a common time with Tokyo until the fall of the Empire of Japan.
As standard time (year-round)
Principal cities
- South Korea - Jeju, Busan, Ulsan, Geoje, Changwon, Jinju, Daegu, Pohang, Gumi, Yeosu, Gwangju, Mokpo, Iksan, Jeonju, Daejeon, Cheongju, Gangneung, Wonju, Chuncheon, Suwon, Bundang, Seoul, Incheon
- Japan - Wakkanai, Nemuro, Asahikawa, Sapporo, Hakodate, Ominato, Aomori, Sendai, Yamagata, Niigata, Utsunomiya, Tokyo, Hachioji, Saitama, Chiba, Matsudo, Yokohama, Yokosuka, Nagano, Matsumoto, Kanazawa, Toyama, Nagoya, Iwakura, Yokkaichi, Ise, Kyoto, Maizuru, Nara, Osaka, Kaizuka, Sakai, Kobe, Himeji, Okayama, Hiroshima, Kure, Tottori, Izumo, Shimonoseki, Fukuoka, Kitakyushu, Nagasaki, Sasebo, Kumamoto, Kagoshima, Amami, Naha, Itoman, Ishigaki, Yonaguni
- North Korea - Kaesong, Wonsan, Pyongyang, Hamheung, Raseon
- Russia - Yakutsk, Blagoveshchensk, Chita
- Indonesia - Jayapura, Sorong, Ternate, Ambon
- Palau - Koror
- East Timor - Dili
North Asia
- Russia – Yakutsk Time
- Far Eastern Federal District
- Amur Oblast, Sakha Republic (western part; west of the Lena River as well as territories adjacent to the Lena on the eastern side)
- Zabaykalsky Krai
- Far Eastern Federal District
East Asia
- South Korea – Korea Standard Time
- North Korea – Korea Standard Time
- Japan – Japan Standard Time
Oceania
Micronesia
- Palau – Time in Palau
Australia
- Arubiddy Station, Western Australia – Arubiddy Time
Southeast Asia
- Indonesia – Eastern Indonesia Time
- East Timor – Time in East Timor
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Discrepancies between official UTC+09:00 and geographical UTC+09:00
Areas in UTC+09:00 longitudes using other time zones
This concerns areas within 127°30′ E and 142°30′ E longitude.
China
- Parts of Northeast China, including eastern half of Heilongjiang Province and Yanbian Korean Autonomous Prefecture in Jilin Province, where UTC+08:00 is used.
Australia
- The easternmost parts of Western Australia where UTC+08:00 is used, Eucla and nearby areas where (unofficial) UTC+08:45 is used.
- The Northern Territory, where UTC+09:30 is used, and South Australia and Broken Hill where UTC+09:30 and DST UTC+10:30 are used, respectively, despite the borders of the territory and state fitting perfectly within the ideal meridians of UTC+09:00.
- The western parts of Queensland where UTC+10:00 is used, and westernmost parts of Victoria and New South Wales where UTC+10:00 and UTC+11:00 in summer time, is used.
Federated States of Micronesia
- Parts of Federated States of Micronesia, including western parts of Yap State, where UTC+10:00 is used.
Papua New Guinea
- The very westernmost parts of Papua New Guinea, where UTC+10:00 is used.
Russia
- Parts of Russia, including Jewish Autonomous Oblast, Primorsky Krai, central part of Sakha, and most of Khabarovsk Krai where UTC+10:00 is used, and westernmost parts of eastern Sakha Republic and Sakhalin Island, where UTC+11:00 is used.
Areas outside UTC+09:00 longitudes using UTC+09:00 time
Areas between 97°30′ E and 112°30′ E ("physical" UTC+07:00)
- Russia
- A westernmost part of Sakha Republic, including the urban localities Aykhal and Udachny
Areas between 112°30′ E and 127°30′ E ("physical" UTC+08:00)
- Russia
- Zabaykalsky Krai
- Most of western Sakha Republic
- East Timor
- Indonesia
- The western islands in the provinces of Maluku and North Maluku (from south to north):
- Liran Island
- Wetar Island
- Kisar Island
- Ambelau Island
- Buru Island
- Sanana Island
- Mangole Island
- Taliabu and surrounding islands
- The western islands in the provinces of Maluku and North Maluku (from south to north):
- Japan
- Parts of Okinawa Prefecture:
- Sakishima Islands
- Yaeyama Islands
- Miyako Islands
- Okinawa Islands
- Kume Island
- Aguni Islands
- The western parts of Kerama Islands
- Sakishima Islands
- Parts of Okinawa Prefecture:
- North Korea
- South Korea
- The western parts of Korea, including the capital city, Seoul
- Australia
- Arubiddy Station
Areas between 142°30′ E and 157°30′ E ("physical" UTC+10:00)
- Japan
- The eastern parts of Hokkaido, including Obihiro, Kushiro, and Nemuro
- Minami-Tori-shima in Ogasawara municipality
- Russia
- New Siberian Islands
- Novaya Sibir
- Faddeyevsky Island
- A smaller part of Kotelny Island
- The eastern part of Great Lyakhovsky Island
- New Siberian Islands