Aveiro to Istanbul: time difference
Istanbul is 2 h ahead of Aveiro. 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.
Aveiro 02:55 2:55 AM Istanbul 04:55 4:55 AM You –:–
02:55 2:55 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:04
04:55 4:55 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
+2 h
Istanbul is 2 h ahead of Aveiro.
When you, Aveiro and Istanbul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Aveiro
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
🇹🇷 Istanbul
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Aveiro | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 02:55 | 04:55 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Western European Summer Time | GMT+03:00 |
| UTC offset | UTC+1 | UTC+3 |
| Offset from Aveiro | — | +2 h |
| IANA zone | Europe/Lisbon | Europe/Istanbul |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:41 | 07:10 |
| Sunset | 19:04 | 18:33 |
| Daylight | 11 h 23 min | 11 h 23 min |
| People on this clock | 80,978 | 15,701,602 |
Compare Aveiro with another city
More comparisons with Aveiro: the time zones next to it and the far side of the clock.
Big time differences
Aveiro and Istanbul: common questions
How far ahead of Aveiro is Istanbul?
Istanbul is 2 hours ahead of Aveiro: UTC+3 against UTC+1.
What time is it in Istanbul at the start of the working day in Aveiro?
The working day in Aveiro starts at 9:00 AM; in Istanbul it is 11:00 AM at that moment.
What time is it in Istanbul at the end of the working day in Aveiro?
The working day in Aveiro ends at 6:00 PM; in Istanbul it is 8:00 PM at that moment.
When is a good time to call Istanbul from Aveiro?
Between 9:00 AM and 4:00 PM in Aveiro – that is 11:00 AM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Istanbul compared with Aveiro?
The new day starts in Istanbul earlier: at 10:00 PM in Aveiro it is already midnight there. Until 2:00 AM in Istanbul, Aveiro is still on the previous day.
Does the time gap between Aveiro and Istanbul change during the year?
Yes – daylight saving time is used in Aveiro but not in Istanbul. From October 25, 2026, Istanbul will be 3 hours ahead of Aveiro.
