Roseau to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Roseau. 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.
Roseau 23:10 11:10 PM Buenos Aires 00:10 12:10 AM You –:–
23:10 11:10 PM
Atlantic Standard Time · UTC-4
☀️ 05:57 · 🌙 17:50
00:10 12:10 AM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+1 h
Buenos Aires is 1 h ahead of Roseau.
When you, Roseau 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
🇩🇲 Roseau
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
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 | 🇩🇲 Roseau | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 23:10 | 00:10 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Atlantic Standard Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Roseau | — | +1 h |
| IANA zone | America/Dominica | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:57 | 06:20 |
| Sunset | 17:50 | 19:03 |
| Daylight | 11 h 53 min | 12 h 43 min |
| People on this clock | 15,000 | 2,891,082 |
Compare Roseau with another city
More comparisons with Roseau: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Roseau and Buenos Aires: common questions
What is the time difference between Roseau and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Roseau is on UTC−4.
What time is it in Buenos Aires at the start of the working day in Roseau?
The working day in Roseau starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Roseau?
When it is 6:00 PM in Roseau, it is 7:00 PM in Buenos Aires.
Is there a time when both Roseau and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in Roseau (10:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
From what time in Roseau is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Roseau, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Roseau.
Does the time gap between Roseau and Buenos Aires change during the year?
No, the clocks change neither in Roseau nor in Buenos Aires, so the gap is 1 hour all year round.
