🇨🇬 Brazzaville, Republic of the Congo
31
- West Africa Standard Time
- UTC+1
- Daytime
☀️ 05:41 · 🌙 17:52 · 12 h 11 min
Brazzaville to Buenos Aires: time difference
Buenos Aires is 4 h behind Brazzaville. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
31
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:19 · 🌙 19:04 · 12 h 45 min
−4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Brazzaville 13:11 1:11 PM Buenos Aires 09:11 9:11 AM You –:–
13:11 1:11 PM
West Africa Standard Time · UTC+1
☀️ 05:41 · 🌙 17:52
09:11 9:11 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
−4 h
Buenos Aires is 4 h behind Brazzaville.
When you, Brazzaville 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
🇨🇬 Brazzaville
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
20 8 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇬 Brazzaville | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 13:11 | 09:11 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | West Africa Standard Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Brazzaville | — | −4 h |
| IANA zone | Africa/Brazzaville | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:41 | 06:19 |
| Sunset | 17:52 | 19:04 |
| Daylight | 12 h 11 min | 12 h 45 min |
| People on this clock | 1,932,610 | 2,891,082 |
Compare Brazzaville with another city
More comparisons with Brazzaville: the time zones next to it and the far side of the clock.
Big time differences
Brazzaville and Buenos Aires: common questions
How many hours behind Brazzaville is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Brazzaville (UTC−3 and UTC+1).
What time is it in Buenos Aires when it is 9:00 AM in Brazzaville?
When it is 9:00 AM in Brazzaville, it is 5:00 AM in Buenos Aires.
If it is 6:00 PM in Brazzaville, what time is it in Buenos Aires?
At 6:00 PM in Brazzaville, clocks in Buenos Aires show 2:00 PM.
When is a good time to call Buenos Aires from Brazzaville?
Between 1:00 PM and 6:00 PM in Brazzaville – that is 9:00 AM to 2:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Buenos Aires compared with Brazzaville?
The new day starts in Buenos Aires later: until 4:00 AM in Brazzaville, it is still the previous day there. From 8:00 PM in Buenos Aires, Brazzaville is already on the next day.
Is the time difference between Brazzaville and Buenos Aires the same all year?
Yes. Neither Brazzaville nor Buenos Aires switches to summer time, so the gap is always 4 hours.
