Horta to Istanbul: time difference
Istanbul is 3 h ahead of Horta. 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.
Horta 06:29 6:29 AM Istanbul 09:29 9:29 AM You –:–
06:29 6:29 AM
Azores Summer Time · UTC+0
☀️ 07:59 · 🌙 19:26
09:29 9:29 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
+3 h
Istanbul is 3 h ahead of Horta.
When you, Horta 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
🇵🇹 Horta
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
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 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Horta | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 06:29 | 09:29 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Azores Summer Time | GMT+03:00 |
| UTC offset | UTC+0 | UTC+3 |
| Offset from Horta | — | +3 h |
| IANA zone | Atlantic/Azores | Europe/Istanbul |
| Daylight saving | On summer time → UTC-1, Oct 25, 00:00 | Not observed |
| Sunrise | 07:59 | 07:10 |
| Sunset | 19:26 | 18:33 |
| Daylight | 11 h 26 min | 11 h 23 min |
| People on this clock | 14,334 | 15,701,602 |
Compare Horta with another city
More comparisons with Horta: the time zones next to it and the far side of the clock.
Big time differences
Horta and Istanbul: common questions
How many hours ahead of Horta is Istanbul?
The clocks in Istanbul are 3 hours ahead of those in Horta (UTC+3 and UTC+0).
If it is 9:00 AM in Horta, what time is it in Istanbul?
At 9:00 AM in Horta, clocks in Istanbul show 12:00 PM.
What time is it in Istanbul at the end of the working day in Horta?
The working day in Horta ends at 6:00 PM; in Istanbul it is 9:00 PM at that moment.
When is a good time to call Istanbul from Horta?
Between 9:00 AM and 3:00 PM in Horta – that is 12:00 PM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Istanbul?
From 9:00 PM in Horta it is already the next day in Istanbul. The other way round, until 3:00 AM in Istanbul it is still the previous day in Horta.
Is the time difference between Horta and Istanbul the same all year?
No. Only Horta switches to summer time, so the gap changes twice a year. From October 25, 2026, Istanbul will be 4 hours ahead of Horta.
