Guimaraes to Istanbul: time difference
Istanbul is 2 h ahead of Guimaraes. 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.
Guimaraes 23:38 11:38 PM Istanbul 01:38 1:38 AM You –:–
23:38 11:38 PM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:48
01:38 1:38 AM
GMT+03:00 · UTC+3
☀️ 07:21 · 🌙 18:18
·
+2 h
Istanbul is 2 h ahead of Guimaraes.
When you, Guimaraes 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
🇵🇹 Guimaraes
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 | 🇵🇹 Guimaraes | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 23:38 | 01:38 |
| Local date | Monday, October 19, 2026 | Tuesday, October 20, 2026 |
| Time zone | Western European Summer Time | GMT+03:00 |
| UTC offset | UTC+1 | UTC+3 |
| Offset from Guimaraes | — | +2 h |
| IANA zone | Europe/Lisbon | Europe/Istanbul |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:50 | 07:21 |
| Sunset | 18:48 | 18:18 |
| Daylight | 10 h 58 min | 10 h 57 min |
| People on this clock | 156,849 | 15,701,602 |
Compare Guimaraes with another city
More comparisons with Guimaraes: the time zones next to it and the far side of the clock.
Big time differences
Guimaraes and Istanbul: common questions
What is the time difference between Guimaraes and Istanbul?
Istanbul is 2 hours ahead: it uses UTC+3, while Guimaraes is on UTC+1.
What time is it in Istanbul when it is 9:00 AM in Guimaraes?
When it is 9:00 AM in Guimaraes, it is 11:00 AM in Istanbul.
What time is it in Istanbul when it is 6:00 PM in Guimaraes?
When it is 6:00 PM in Guimaraes, it is 8:00 PM in Istanbul.
When do working hours in Guimaraes and in Istanbul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Guimaraes, which is 11:00 AM to 6:00 PM in Istanbul.
When does the date change in Istanbul compared with Guimaraes?
The new day starts in Istanbul earlier: at 10:00 PM in Guimaraes it is already midnight there. Until 2:00 AM in Istanbul, Guimaraes is still on the previous day.
Does the time gap between Guimaraes and Istanbul change during the year?
Yes – daylight saving time is used in Guimaraes but not in Istanbul. From October 25, 2026, Istanbul will be 3 hours ahead of Guimaraes.
