Quarteira to Istanbul: time difference
Istanbul is 2 h ahead of Quarteira. 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.
Quarteira 03:02 3:02 AM Istanbul 05:02 5:02 AM You –:–
03:02 3:02 AM
Western European Summer Time · UTC+1
☀️ 07:45 · 🌙 18:51
05:02 5:02 AM
GMT+03:00 · UTC+3
☀️ 07:21 · 🌙 18:18
·
+2 h
Istanbul is 2 h ahead of Quarteira.
When you, Quarteira 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
🇵🇹 Quarteira
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 | 🇵🇹 Quarteira | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 03:02 | 05:02 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Western European Summer Time | GMT+03:00 |
| UTC offset | UTC+1 | UTC+3 |
| Offset from Quarteira | — | +2 h |
| IANA zone | Europe/Lisbon | Europe/Istanbul |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:45 | 07:21 |
| Sunset | 18:51 | 18:18 |
| Daylight | 11 h 6 min | 10 h 57 min |
| People on this clock | 24,421 | 15,701,602 |
Compare Quarteira with another city
More comparisons with Quarteira: the time zones next to it and the far side of the clock.
Big time differences
Quarteira and Istanbul: common questions
What is the time difference between Quarteira and Istanbul?
Istanbul is 2 hours ahead: it uses UTC+3, while Quarteira is on UTC+1.
What time is it in Istanbul when it is 9:00 AM in Quarteira?
When it is 9:00 AM in Quarteira, it is 11:00 AM in Istanbul.
If it is 6:00 PM in Quarteira, what time is it in Istanbul?
At 6:00 PM in Quarteira, clocks in Istanbul show 8:00 PM.
When do working hours in Quarteira and in Istanbul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Quarteira, which is 11:00 AM to 6:00 PM in Istanbul.
When is it already the next day in Istanbul?
From 10:00 PM in Quarteira it is already the next day in Istanbul. The other way round, until 2:00 AM in Istanbul it is still the previous day in Quarteira.
Is the time difference between Quarteira and Istanbul the same all year?
No. Only Quarteira switches to summer time, so the gap changes twice a year. From October 25, 2026, Istanbul will be 3 hours ahead of Quarteira.
