Istanbul to Horta: time difference
Horta is 3 h behind Istanbul. 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.
Istanbul 11:23 11:23 AM Horta 08:23 8:23 AM You –:–
11:23 11:23 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
08:23 8:23 AM
Azores Summer Time · UTC+0
☀️ 07:59 · 🌙 19:26
·
−3 h
Horta is 3 h behind Istanbul.
When you, Istanbul and Horta 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
🇵🇹 Horta
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇵🇹 Horta |
|---|---|---|
| Local time | 11:23 | 08:23 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | GMT+03:00 | Azores Summer Time |
| UTC offset | UTC+3 | UTC+0 |
| Offset from Istanbul | — | −3 h |
| IANA zone | Europe/Istanbul | Atlantic/Azores |
| Daylight saving | Not observed | On summer time → UTC-1, Oct 25, 00:00 |
| Sunrise | 07:10 | 07:59 |
| Sunset | 18:33 | 19:26 |
| Daylight | 11 h 23 min | 11 h 26 min |
| People on this clock | 15,701,602 | 14,334 |
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 Horta: common questions
What is the time difference between Istanbul and Horta?
Horta is 3 hours behind: it uses UTC+0, while Istanbul is on UTC+3.
What time is it in Horta when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 6:00 AM in Horta.
What time is it in Horta at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Horta it is 3:00 PM at that moment.
Is there a time when both Istanbul and Horta are at work?
Yes: from 12:00 PM to 6:00 PM in Istanbul (9:00 AM to 3:00 PM in Horta), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Istanbul is it still yesterday in Horta?
Before 3:00 AM in Istanbul, the date in Horta has not changed yet. From 9:00 PM in Horta, it is already the next day in Istanbul.
Is the time difference between Istanbul and Horta the same all year?
No. Only Horta switches to summer time, so the gap changes twice a year. From October 25, 2026, Horta will be 4 hours behind Istanbul.
