UTC+09:00
UTC+09:00 is an identifier for a time offset from UTC of +09:00.
During 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: Yakutsk, Blagoveshchensk, Chita, Tokyo, Osaka, Nagoya, Fukuoka, Yokohama, Sapporo, Hiroshima, Kyoto, Seoul, Busan, Daegu, Gwangju, Ulsan, Daejeon, Incheon, Suwon, Jeju, Changwon, Pohang, Gumi, Geoje, Wonju, Gangneung, Wonsan, Kaesong, Hamheung, Raseon, Pyongyang, Koror, Jayapura, Sorong, Ternate, Ambon, Dili.North Asia
- Russia – Yakutsk Time
- *Far [Eastern Federal District]
- **Amur Oblast, Sakha Republic
- **Zabaykalsky Krai
East Asia
- Japan – Japan Standard Time
- North Korea – Korea Standard Time
- South Korea – Time in [South Korea|Korea Standard Time]
Oceania
Micronesia
- Palau – Time in Palau
Australia
Southeast Asia
- Indonesia – Eastern Indonesia Time
- *Eastern zone, including:
- **Maluku Islands
- ***Maluku
- ***North Maluku
- **Western New Guinea
- ***Papua
- ***Papua (province)|West Papua]
- ***Central Papua
- ***South Papua
- ***Southwest Papua
- ***Highland Papua
- East Timor – Time in East Timor
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 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 :
- **Liran Island
- **Wetar Island
- **Kisar Island
- **Ambelau Island
- **Buru Island
- **Sanana Island
- **Mangole Island
- **Taliabu and surrounding islands
- Japan
- * Parts of Okinawa Prefecture:
- **Sakishima Islands
- ***Yaeyama Islands
- ***Miyako Islands
- **Okinawa Islands
- ***Kume Island
- ***Aguni Islands
- ***The western parts of Kerama Islands
- North Korea
- * The western parts of Korea, including the capital city, Pyongyang
- 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