Russia · IRKT
Tue, 15 Sept 2026
Timezone Guide
Irkutsk, Russia runs on UTC+8. This time zone stays fixed year-round at UTC+8 — daylight saving time is not observed. There is a 12-hour difference between Irkutsk and New York. Standard working hours don't overlap at all with New York, so meetings need an early or late slot on one side. There is a 7-hour difference between Irkutsk and London. Standard 9-to-6 working hours overlap for about 2 hours a day with London. A good time to connect: 16:00–18:00 in Irkutsk lines up with 09:00–11:00 in London. There is a 1-hour difference between Irkutsk and Tokyo. Standard 9-to-6 working hours overlap for about 8 hours a day with Tokyo. A good time to connect: 09:00–17:00 in Irkutsk lines up with 10:00–18:00 in Tokyo. This timezone is also shared with cities such as Singapore, Kuala Lumpur, Manila. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Irkutsk.
Practical Info
Irkutsk (Russia) is home to roughly 620K people. Today brings about 16.8 hours of daylight: sunrise at 04:42, sunset at 21:30. This time zone stays fixed year-round at UTC+8 — daylight saving time is not observed. It sits in the Northern Hemisphere, about 52° north of the equator. Traffic drives on the right.
Flag
Russia
Capital
Moscow
Continent
Europe & Asia
Time Zone
IRKT · Asia/Irkutsk
Coordinates
52.29°N, 104.28°E
Currency
RUB (₽)
Calling Code
+7
Driving Side
Right
Hemisphere
Northern
Language
Russian
Measurement System
Metric
Did You Know?
Lake Baikal, near Irkutsk, reaches about 1,642 metres deep and holds roughly 23% of the world's unfrozen fresh surface water — more than all five North American Great Lakes combined. It is also about 25 million years old.
The clock: Irkutsk keeps UTC+8. Baikal freezes to over a metre thick each winter, solid enough to drive on.
Annual Daylight
Working Hours
4h overlap