Guinea-Bissau to Lisbon: time difference
Lisbon is 1 h ahead of Guinea-Bissau. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Guinea-Bissau 01:40 1:40 AM Lisbon 02:40 2:40 AM You –:–
01:40 1:40 AM
Greenwich Mean Time · UTC+0
☀️ 06:52 · 🌙 18:48
02:40 2:40 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
+1 h
Lisbon is 1 h ahead of Guinea-Bissau.
When you, Guinea-Bissau and Lisbon 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
🇵🇹 Lisbon
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇼 Guinea-Bissau | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 01:40 | 02:40 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | Western European Summer Time |
| UTC offset | UTC+0 | UTC+1 |
| Offset from Guinea-Bissau | — | +1 h |
| IANA zone | Africa/Bissau | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:52 | 07:41 |
| Sunset | 18:48 | 19:07 |
| Daylight | 11 h 56 min | 11 h 26 min |
| People on this clock | 1,861,283 | 545,923 |
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 Lisbon: common questions
How many hours ahead of Guinea-Bissau is Lisbon?
The clocks in Lisbon are 1 hour ahead of those in Guinea-Bissau (UTC+1 and UTC+0).
What time is it in Lisbon at the start of the working day in Guinea-Bissau?
The working day in Guinea-Bissau starts at 9:00 AM; in Lisbon it is 10:00 AM at that moment.
What time is it in Lisbon at the end of the working day in Guinea-Bissau?
The working day in Guinea-Bissau ends at 6:00 PM; in Lisbon it is 7:00 PM at that moment.
When do working hours in Guinea-Bissau and in Lisbon overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Guinea-Bissau, which is 10:00 AM to 6:00 PM in Lisbon.
When does the date change in Lisbon compared with Guinea-Bissau?
The new day starts in Lisbon earlier: at 11:00 PM in Guinea-Bissau it is already midnight there. Until 1:00 AM in Lisbon, Guinea-Bissau is still on the previous day.
Does the time gap between Guinea-Bissau and Lisbon change during the year?
Yes – daylight saving time is used in Lisbon but not in Guinea-Bissau. From October 25, 2026, Lisbon and Guinea-Bissau will have the same time.
