Omsk Time
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Omsk Time (OMST) is a
time zone A time zone is an area which observes a uniform standard time for legal, Commerce, commercial and social purposes. Time zones tend to follow the boundaries between Country, countries and their Administrative division, subdivisions instead of ...
in
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
that is six hours ahead of UTC ( UTC+06:00), and 3 hours ahead of
Moscow Time Moscow Time (MSK, russian: моско́вское вре́мя) is the time zone for the city of Moscow, Russia, and most of western Russia, including Saint Petersburg. It is the second-westernmost of the eleven time zones of Russia. It has b ...
(MSK). It is used in
Omsk Oblast Omsk Oblast (russian: О́мская о́бласть, ''Omskaya oblast'') is a federal subject of Russia (an oblast), located in southwestern Siberia. The oblast has an area of . Its population is 1,977,665 ( 2010 Census) with the majority, 1.12 ...
.


History

Until 1991, Omsk Time was one of the two time zones used in
Soviet Central Asia Soviet Central Asia (russian: link=no, Советская Средняя Азия, Sovetskaya Srednyaya Aziya) was the part of Central Asia administered by the Soviet Union between 1918 and 1991, when the Central Asian republics declared ind ...
. In addition to
Omsk Oblast Omsk Oblast (russian: О́мская о́бласть, ''Omskaya oblast'') is a federal subject of Russia (an oblast), located in southwestern Siberia. The oblast has an area of . Its population is 1,977,665 ( 2010 Census) with the majority, 1.12 ...
in the
Russian SFSR The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
, it covered the eastern two thirds of
Kazakh SSR ; kk, Қазақ Советтік Социалистік Республикасы) *1991: Republic of Kazakhstan (russian: Республика Казахстан; kk, Қазақстан Республикасы) , linking_name = the ...
, all of Kyrgyz and Tajik SSRs, and eastern
Uzbek SSR Uzbekistan (, ) is the common English name for the Uzbek Soviet Socialist Republic (Uzbek SSR; uz, Ўзбекистон Совет Социалистик Республикаси, Oʻzbekiston Sovet Sotsialistik Respublikasi, in Russian: Уз ...
. This included the city of
Omsk Omsk (; rus, Омск, p=omsk) is the administrative center and largest city of Omsk Oblast, Russia. It is situated in southwestern Siberia, and has a population of over 1.1 million. Omsk is the third largest city in Siberia after Novosibirsk ...
and the capitals
Alma-Ata Almaty (; kk, Алматы; ), formerly known as Alma-Ata ( kk, Алма-Ата), is the largest city in Kazakhstan, with a population of about 2 million. It was the capital of Kazakhstan from 1929 to 1936 as an autonomous republic as part of t ...
(Almaty), Frunze (Bishkek),
Dushanbe Dushanbe ( tg, Душанбе, ; ; russian: Душанбе) is the capital and largest city of Tajikistan. , Dushanbe had a population of 863,400 and that population was largely Tajik. Until 1929, the city was known in Russian as Dyushambe (r ...
and
Tashkent Tashkent (, uz, Toshkent, Тошкент/, ) (from russian: Ташкент), or Toshkent (; ), also historically known as Chach is the capital and largest city of Uzbekistan. It is the most populous city in Central Asia, with a population of ...
. For two years after the
collapse of the Soviet Union The dissolution of the Soviet Union, also negatively connoted as rus, Разва́л Сове́тского Сою́за, r=Razvál Sovétskogo Soyúza, ''Ruining of the Soviet Union''. was the process of internal disintegration within the Sov ...
, Omsk Oblast remained the only region in Russia in this time zone. The newly independent Central Asian states ceased to observe
daylight saving time Daylight saving time (DST), also referred to as daylight savings time or simply daylight time (United States, Canada, and Australia), and summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typicall ...
, while
Uzbekistan Uzbekistan (, ; uz, Ozbekiston, italic=yes / , ; russian: Узбекистан), officially the Republic of Uzbekistan ( uz, Ozbekiston Respublikasi, italic=yes / ; russian: Республика Узбекистан), is a doubly landlocked cou ...
and
Tajikistan Tajikistan (, ; tg, Тоҷикистон, Tojikiston; russian: Таджикистан, Tadzhikistan), officially the Republic of Tajikistan ( tg, Ҷумҳурии Тоҷикистон, Jumhurii Tojikiston), is a landlocked country in Centr ...
in addition "moved west" by adjusting the clocks one hour back. From the 1990s to the 2010s, Russia experienced a countrywide wave of clock shifts towards Moscow. By 2010, all
Western Siberia Western Siberia or West Siberia (russian: Западная Сибирь, Zapadnaya Sibir'; kk, Батыс Сібір) is a part of the larger region of Siberia that is mostly located in the Russian Federation. It lies between the Ural region an ...
's Moscow+4 regions moved to Moscow+3, merging into Omsk Time. In 2011, Russia moved to year-round daylight saving time. Instead of switching between UTC+06:00 in winter and UTC+07:00 in summer, Omsk time was set to UTC+07:00 until 2014, when it was reset back to UTC+06:00 year-round, but
Kemerovo Oblast Kemerovo Oblast — Kuzbass (russian: Ке́меровская о́бласть — Кузба́сс, translit=Kemerovskaya oblast — Kuzbass, ), also known simply as Kemerovo Oblast (russian: Ке́меровская о́бласть, label=non ...
decided to stay in UTC+07:00 - Krasnoyarsk Time. In 2016, Altai Krai, Altai Republic, Tomsk Oblast and Novosibirsk oblast switched to Krasnoyarsk Time ( UTC+07:00). Omsk Oblast is now the only part of Russia which uses this time zone.


References

{{reflist Time zones Time in Russia