Istanbul to Porto Viro: time difference
Porto Viro is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 23:17 11:17 PM Porto Viro 22:17 10:17 PM You –:–
23:17 11:17 PM
GMT+03:00 · UTC+3
☀️ 07:18 · 🌙 18:22
22:17 10:17 PM
Central European Summer Time · UTC+2
☀️ 07:30 · 🌙 18:25
·
−1 h
Porto Viro is 1 h behind Istanbul.
When you, Istanbul and Porto Viro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
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
🇮🇹 Porto Viro
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇮🇹 Porto Viro |
|---|---|---|
| Local time | 23:17 | 22:17 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | GMT+03:00 | Central European Summer Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Istanbul | — | −1 h |
| IANA zone | Europe/Istanbul | Europe/Rome |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:18 | 07:30 |
| Sunset | 18:22 | 18:25 |
| Daylight | 11 h 5 min | 10 h 55 min |
| People on this clock | 15,701,602 | 14,494 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Porto Viro: common questions
What is the time difference between Istanbul and Porto Viro?
Porto Viro is 1 hour behind: it uses UTC+2, while Istanbul is on UTC+3.
If it is 9:00 AM in Istanbul, what time is it in Porto Viro?
At 9:00 AM in Istanbul, clocks in Porto Viro show 8:00 AM.
What time is it in Porto Viro when it is 6:00 PM in Istanbul?
When it is 6:00 PM in Istanbul, it is 5:00 PM in Porto Viro.
Is there a time when both Istanbul and Porto Viro are at work?
Yes: from 10:00 AM to 6:00 PM in Istanbul (9:00 AM to 5:00 PM in Porto Viro), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Porto Viro compared with Istanbul?
The new day starts in Porto Viro later: until 1:00 AM in Istanbul, it is still the previous day there. From 11:00 PM in Porto Viro, Istanbul is already on the next day.
Does the time difference between Istanbul and Porto Viro change?
Yes. The clocks change only in Porto Viro. From October 25, 2026, Porto Viro will be 2 hours behind Istanbul.
