Guinea-Bissau to Buenos Aires: time difference
Buenos Aires is 3 h behind Guinea-Bissau. Live clocks for both, the working hours they share, and how each one sits against your own time.
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Guinea-Bissau 00:59 12:59 AM Buenos Aires 21:59 9:59 PM You –:–
00:59 12:59 AM
Greenwich Mean Time · UTC+0
☀️ 06:52 · 🌙 18:48
21:59 9:59 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−3 h
Buenos Aires is 3 h behind Guinea-Bissau.
When you, Guinea-Bissau and Buenos Aires 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
🇦🇷 Buenos Aires
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 | 🇬🇼 Guinea-Bissau | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 00:59 | 21:59 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Greenwich Mean Time | Argentina Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Guinea-Bissau | — | −3 h |
| IANA zone | Africa/Bissau | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:52 | 06:20 |
| Sunset | 18:48 | 19:03 |
| Daylight | 11 h 56 min | 12 h 43 min |
| People on this clock | 1,861,283 | 2,891,082 |
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 Buenos Aires: common questions
What is the time difference between Guinea-Bissau and Buenos Aires?
Buenos Aires is 3 hours behind: it uses UTC−3, while Guinea-Bissau is on UTC+0.
What time is it in Buenos Aires at the start of the working day in Guinea-Bissau?
The working day in Guinea-Bissau starts at 9:00 AM; in Buenos Aires it is 6:00 AM at that moment.
If it is 6:00 PM in Guinea-Bissau, what time is it in Buenos Aires?
At 6:00 PM in Guinea-Bissau, clocks in Buenos Aires show 3:00 PM.
Is there a time when both Guinea-Bissau and Buenos Aires are at work?
Yes: from 12:00 PM to 6:00 PM in Guinea-Bissau (9:00 AM to 3:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Guinea-Bissau is it still yesterday in Buenos Aires?
Before 3:00 AM in Guinea-Bissau, the date in Buenos Aires has not changed yet. From 9:00 PM in Buenos Aires, it is already the next day in Guinea-Bissau.
Is the time difference between Guinea-Bissau and Buenos Aires the same all year?
Yes. Neither Guinea-Bissau nor Buenos Aires switches to summer time, so the gap is always 3 hours.
