Lisbon to Irkutsk: time difference
Irkutsk is 7 h ahead of Lisbon. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Lisbon 05:53 5:53 AM Irkutsk 12:53 12:53 PM You –:–
05:53 5:53 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
12:53 12:53 PM
Irkutsk Standard Time · UTC+8
☀️ 07:19 · 🌙 18:22
·
+7 h
Irkutsk is 7 h ahead of Lisbon.
When you, Lisbon and Irkutsk are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇷🇺 Irkutsk
7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇷🇺 Irkutsk |
|---|---|---|
| Local time | 05:53 | 12:53 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Western European Summer Time | Irkutsk Standard Time |
| UTC offset | UTC+1 | UTC+8 |
| Offset from Lisbon | — | +7 h |
| IANA zone | Europe/Lisbon | Asia/Irkutsk |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:41 | 07:19 |
| Sunset | 19:07 | 18:22 |
| Daylight | 11 h 26 min | 11 h 4 min |
| People on this clock | 545,923 | 617,515 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Irkutsk: common questions
How far ahead of Lisbon is Irkutsk?
Irkutsk is 7 hours ahead of Lisbon: UTC+8 against UTC+1.
If it is 9:00 AM in Lisbon, what time is it in Irkutsk?
At 9:00 AM in Lisbon, clocks in Irkutsk show 4:00 PM.
If it is 6:00 PM in Lisbon, what time is it in Irkutsk?
At 6:00 PM in Lisbon, clocks in Irkutsk show 1:00 AM (the next day).
When is a good time to call Irkutsk from Lisbon?
Between 9:00 AM and 11:00 AM in Lisbon – that is 4:00 PM to 6:00 PM in Irkutsk – both places are within working hours (9:00 AM–6:00 PM).
From what time in Lisbon is it tomorrow in Irkutsk?
Once it is 5:00 PM in Lisbon, the date in Irkutsk has already changed. Until 7:00 AM in Irkutsk, it is still the previous day in Lisbon.
Does the time difference between Lisbon and Irkutsk change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Irkutsk will be 8 hours ahead of Lisbon.
