Istanbul to Guinea: time difference
Guinea 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 05:27 5:27 AM Guinea 02:27 2:27 AM You –:–
05:27 5:27 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
02:27 2:27 AM
Greenwich Mean Time · UTC+0
☀️ 06:44 · 🌙 18:41
·
−3 h
Guinea is 3 h behind Istanbul.
When you, Istanbul and Guinea 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
🇬🇳 Guinea
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 | 🇬🇳 Guinea |
|---|---|---|
| Local time | 05:27 | 02:27 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | GMT+03:00 | Greenwich Mean Time |
| UTC offset | UTC+3 | UTC+0 |
| Offset from Istanbul | — | −3 h |
| IANA zone | Europe/Istanbul | Africa/Conakry |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:10 | 06:44 |
| Sunset | 18:33 | 18:41 |
| Daylight | 11 h 23 min | 11 h 58 min |
| People on this clock | 15,701,602 | 12,717,176 |
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 Guinea: common questions
How many hours behind Istanbul is Guinea?
The clocks in Guinea are 3 hours behind those in Istanbul (UTC+0 and UTC+3).
What time is it in Guinea at the start of the working day in Istanbul?
The working day in Istanbul starts at 9:00 AM; in Guinea it is 6:00 AM at that moment.
What time is it in Guinea at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Guinea it is 3:00 PM at that moment.
Is there a time when both Istanbul and Guinea are at work?
Yes: from 12:00 PM to 6:00 PM in Istanbul (9:00 AM to 3:00 PM in Guinea), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Guinea compared with Istanbul?
The new day starts in Guinea later: until 3:00 AM in Istanbul, it is still the previous day there. From 9:00 PM in Guinea, Istanbul is already on the next day.
Does the time difference between Istanbul and Guinea change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
