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Omsk Oblast, Russia

Omsk Oblast uses Omsk Time, UTC+6, throughout the year. Omsk, Tara, Kalachinsk, Isilkul, Nazyvayevsk, and rural districts all keep the same fixed civil time with no seasonal clock change.

Omsk, Russia

Saturday, 5 September 2026

UTC+6 · Asia/Omsk

Time and sun data for Omsk — the largest city of Omsk Oblast

The sun in Omsk

Sunrise 6:21 AM Solar noon 1:07 PM Sunset 7:53 PM Daylight 13 h 32 min Night 10 h 28 min Civil twilight 5:43 AM – 8:31 PM

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Current time in Omsk Oblast, Russia

Omsk time is three hours ahead of Moscow. It is also one hour behind neighbouring Novosibirsk Oblast, making the regional border relevant to travellers even though the landscape does not announce the change.

Inside Omsk Oblast, schedules are simple: every municipality uses UTC+6. The offset remains constant in summer and winter. For an online meeting, selecting Omsk as the time-zone location is safer than using a generic abbreviation that software might interpret in another way. A time-zone boundary is invisible, which is why it is so good at surprising passengers.

Omsk and the region’s smaller cities

Omsk is the capital, largest city, and main reference point for the oblast’s time. The remaining cities are much smaller, but each is useful when selecting local weather and daylight information. Tara lies north of Omsk on the Irtysh River.

Kalachinsk is east of the regional capital. Isilkul stands toward the western side of the oblast. Nazyvayevsk is another western railway city. Tyukalinsk is northwest of Omsk. Their clocks agree exactly. Their solar day does not: Isilkul, Omsk, and Kalachinsk occupy different longitudes, while Tara’s more northerly position changes seasonal day length.

Sunrise from the western border to the Irtysh

Sunrise generally reaches eastern parts of the region earlier than western parts when measured by the shared clock. This makes a city-specific table worthwhile. Kalachinsk data is more appropriate for its surroundings than a forecast centred on Isilkul, even though both display UTC+6.

Latitude contributes a second difference. Tara’s summer days and winter days do not match those of more southerly communities exactly. Across the oblast, summer provides extended daylight and winter brings a much shorter interval between sunrise and sunset.

Confirm the town rather than searching only for “Omsk region.” Check the date because solar times change daily. Consult twilight if the task depends on visibility rather than direct sunlight. Keep weather separate from the astronomical calculation.

Flat terrain often allows a relatively open view, but woodland, buildings, mist, and cloud can still delay or obscure visible sunlight. Published sunrise assumes a standardized horizon. It describes an astronomical moment, not the precise second sunshine reaches a particular window.

Anyone driving east into Novosibirsk Oblast should check both the clock change and local sunrise. The destination will use a different civil offset, so comparing raw clock readings without their zones can produce a mistaken departure plan.

Questions and answers

What UTC offset does Omsk Oblast use?
The entire region uses UTC+6.
Is Omsk on the same time as Novosibirsk?
No. Novosibirsk Oblast is one hour ahead of Omsk Oblast.
Do Tara and Omsk have identical sunrise times?
No. They share civil time, but their different coordinates produce different sunrise, sunset, and day-length values.
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