Charleston, SC to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Charleston, SC. 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.
Charleston, SC 07:47 7:47 AM Buenos Aires 08:47 8:47 AM You –:–
07:47 7:47 AM
Eastern Daylight Time · UTC-4
☀️ 07:27 · 🌙 18:44
08:47 8:47 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
+1 h
Buenos Aires is 1 h ahead of Charleston, SC.
When you, Charleston, SC 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
🇺🇸 Charleston, SC
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
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Time zones side by side
| Detail | 🇺🇸 Charleston, SC | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 07:47 | 08:47 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Charleston, SC | — | +1 h |
| IANA zone | America/New York | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:27 | 06:09 |
| Sunset | 18:44 | 19:11 |
| Daylight | 11 h 18 min | 13 h 2 min |
| People on this clock | 150,227 | 2,891,082 |
Compare Charleston, SC with another city
More comparisons with Charleston, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Charleston, SC and Buenos Aires: common questions
How far ahead of Charleston, SC, is Buenos Aires?
Buenos Aires is 1 hour ahead of Charleston: UTC−3 against UTC−4.
What time is it in Buenos Aires when it is 9:00 AM in Charleston, SC?
When it is 9:00 AM in Charleston, it is 10:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Charleston, SC?
The working day in Charleston ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
Is there a time when both Charleston, SC, and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in Charleston (10:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Charleston, SC?
The new day starts in Buenos Aires earlier: at 11:00 PM in Charleston it is already midnight there. Until 1:00 AM in Buenos Aires, Charleston is still on the previous day.
Does the time difference between Charleston, SC, and Buenos Aires change?
Yes. The clocks change only in Charleston. From November 1, 2026, Buenos Aires will be 2 hours ahead of Charleston.
