Buenos Aires to Carolina: time difference
Carolina is 1 h behind Buenos Aires. 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.
Buenos Aires 04:27 4:27 AM Carolina 03:27 3:27 AM You –:–
04:27 4:27 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
03:27 3:27 AM
Atlantic Standard Time · UTC-4
☀️ 06:17 · 🌙 18:06
·
−1 h
Carolina is 1 h behind Buenos Aires.
When you, Buenos Aires and Carolina are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇵🇷 Carolina
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇵🇷 Carolina |
|---|---|---|
| Local time | 04:27 | 03:27 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Argentina Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Buenos Aires | — | −1 h |
| IANA zone | America/Argentina/Buenos Aires | America/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 06:17 |
| Sunset | 19:04 | 18:06 |
| Daylight | 12 h 45 min | 11 h 49 min |
| People on this clock | 2,891,082 | 138,304 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Carolina: common questions
How many hours behind Buenos Aires is Carolina?
The clocks in Carolina are 1 hour behind those in Buenos Aires (UTC−4 and UTC−3).
What time is it in Carolina when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in Carolina.
What time is it in Carolina when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 5:00 PM in Carolina.
Is there a time when both Buenos Aires and Carolina are at work?
Yes: from 10:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 5:00 PM in Carolina), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Buenos Aires is it still yesterday in Carolina?
Before 1:00 AM in Buenos Aires, the date in Carolina has not changed yet. From 11:00 PM in Carolina, it is already the next day in Buenos Aires.
Does the time gap between Buenos Aires and Carolina change during the year?
No, the clocks change neither in Buenos Aires nor in Carolina, so the gap is 1 hour all year round.
