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: Tokyo, Chikusei, Yokohama, Fukuoka, Hiroshima, Seoul, Pyongyang, Yakutsk, Koror, Dili, Jayapura, Ambon 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 East Asia Japan – Japan Standard Time North Korea – Time in North Korea South Korea – Korea Standard Time Oceania Micronesia Palau Southeast Asia East Timor – Time in East Timor Indonesia – Eastern Indonesia Time Eastern zone, including: Maluku Islands Maluku North Maluku Western New Guinea Papua West Papua 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