Europe · Russia
Current time in Irkutsk
Irkutsk Standard Time.
Tuesday, June 2, 2026
Daylight saving
Not observed
This zone has no seasonal clock change.
About Irkutsk time
Irkutsk keeps one clock.
Irkutsk sits in the heart of Siberia, Russia, where winter temperatures plunge and the days are short in February. The city keeps its eight-hour lead over London year-round, so planning calls with Europe or East Asia usually means Russians log off by early evening.
Frequently asked questions
Common questions about Irkutsk's time zone, daylight saving rules, and scheduling across it. Can't find what you need? Email [email protected].
- Does Irkutsk change its clocks for daylight saving?
- No. Irkutsk stays on UTC+08 permanently, so you never have to wonder whether a local meeting shifts by an hour.
- How many time-zone boundaries do you cross flying from Moscow to Irkutsk?
- You leap five hours ahead—Moscow is UTC+03, Irkutsk is UTC+08—effectively moving from late lunch to almost midnight in one flight.
- What’s February daylight like in Irkutsk?
- By late February the city gets roughly 10 hours of daylight; sunrise is around 08:00 and sunset near 18:30, so mornings start in the dark and wrap up early.
- How does the time difference affect calls with Central Europe?
- When it is 10:00 in Berlin (CET, UTC+01) it is already 17:00 in Irkutsk—great for catching Russians in the office, but it rules out dinner-hour chats.
- Is Irkutsk the easternmost Russian city using UTC+08?
- No, but it is the largest on the western edge of this corridor that also covers Brunei, most of Mongolia, and western China like Ürümqi.
- Why does a lake so far inland matter to global timekeeping?
- Lake Baikal, just 70 km away, freezes solid in February; shipping and tourist ferries stop, so many sectors switch to indoor or remote-friendly schedules.
- When does the workday usually end?
- Most offices wrap up around 17:00–18:00 local time, which is just after midday in Western Europe, so late-afternoon requests from London often hit voicemail.
- Do other major cities share this offset?
- Yes. Singapore, Perth (Australia), Tai’pei, and Ulaanbaatar all tick at UTC+08, making Irkutsk a convenient travel or meeting hub inside a single global band.
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