Sumter, SC to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Sumter, 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.
Sumter, SC 03:30 3:30 AM Buenos Aires 04:30 4:30 AM You –:–
03:30 3:30 AM
Eastern Daylight Time · UTC-4
☀️ 07:25 · 🌙 18:52
04:30 4:30 AM
Argentina Standard Time · UTC-3
☀️ 06:16 · 🌙 19:06
·
+1 h
Buenos Aires is 1 h ahead of Sumter, SC.
When you, Sumter, 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
🇺🇸 Sumter, 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 | 🇺🇸 Sumter, SC | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 03:30 | 04:30 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Sumter, 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 | 07:25 | 06:16 |
| Sunset | 18:52 | 19:06 |
| Daylight | 11 h 28 min | 12 h 49 min |
| People on this clock | 39,159 | 2,891,082 |
Compare Sumter, SC with another city
More comparisons with Sumter, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sumter, SC and Buenos Aires: common questions
How many hours ahead of Sumter, SC, is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in Sumter (UTC−3 and UTC−4).
What time is it in Buenos Aires at the start of the working day in Sumter, SC?
The working day in Sumter starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Sumter, SC?
The working day in Sumter ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
Is there a time when both Sumter, SC, and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in Sumter (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 Sumter, SC?
The new day starts in Buenos Aires earlier: at 11:00 PM in Sumter it is already midnight there. Until 1:00 AM in Buenos Aires, Sumter is still on the previous day.
Does the time difference between Sumter, SC, and Buenos Aires change?
Yes. The clocks change only in Sumter. From November 1, 2026, Buenos Aires will be 2 hours ahead of Sumter.
