Guinea-Bissau to Athens: time difference
Athens is 3 h ahead of Guinea-Bissau. 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.
Guinea-Bissau 01:45 1:45 AM Athens 04:45 4:45 AM You –:–
01:45 1:45 AM
Greenwich Mean Time · UTC+0
☀️ 06:52 · 🌙 18:48
04:45 4:45 AM
Eastern European Summer Time · UTC+3
☀️ 07:29 · 🌙 18:56
·
+3 h
Athens is 3 h ahead of Guinea-Bissau.
When you, Guinea-Bissau and Athens are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇼 Guinea-Bissau
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
🇬🇷 Athens
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 | 🇬🇼 Guinea-Bissau | 🇬🇷 Athens |
|---|---|---|
| Local time | 01:45 | 04:45 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | Eastern European Summer Time |
| UTC offset | UTC+0 | UTC+3 |
| Offset from Guinea-Bissau | — | +3 h |
| IANA zone | Africa/Bissau | Europe/Athens |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 06:52 | 07:29 |
| Sunset | 18:48 | 18:56 |
| Daylight | 11 h 56 min | 11 h 27 min |
| People on this clock | 1,861,283 | 3,090,508 |
Compare Guinea-Bissau with another city
More comparisons with Guinea-Bissau: the time zones next to it and the far side of the clock.
Big time differences
Guinea-Bissau and Athens: common questions
How far ahead of Guinea-Bissau is Athens?
Athens is 3 hours ahead of Guinea-Bissau: UTC+3 against UTC+0.
What time is it in Athens when it is 9:00 AM in Guinea-Bissau?
When it is 9:00 AM in Guinea-Bissau, it is 12:00 PM in Athens.
If it is 6:00 PM in Guinea-Bissau, what time is it in Athens?
At 6:00 PM in Guinea-Bissau, clocks in Athens show 9:00 PM.
When do working hours in Guinea-Bissau and in Athens overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Guinea-Bissau, which is 12:00 PM to 6:00 PM in Athens.
When is it already the next day in Athens?
From 9:00 PM in Guinea-Bissau it is already the next day in Athens. The other way round, until 3:00 AM in Athens it is still the previous day in Guinea-Bissau.
Is the time difference between Guinea-Bissau and Athens the same all year?
No. Only Athens switches to summer time, so the gap changes twice a year. From October 25, 2026, Athens will be 2 hours ahead of Guinea-Bissau.
