Union, SC to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Union, SC. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
08
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:04 · 🌙 19:14 · 13 h 10 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Union, SC 06:13 6:13 AM Buenos Aires 07:13 7:13 AM You –:–
06:13 6:13 AM
Eastern Daylight Time · UTC-4
☀️ 07:39 · 🌙 18:45
07:13 7:13 AM
Argentina Standard Time · UTC-3
☀️ 06:04 · 🌙 19:14
·
+1 h
Buenos Aires is 1 h ahead of Union, SC.
When you, Union, 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
🇺🇸 Union, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Union, SC | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 06:13 | 07:13 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Union, 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 | 07:39 | 06:04 |
| Sunset | 18:45 | 19:14 |
| Daylight | 11 h 6 min | 13 h 10 min |
| People on this clock | 8,000 | 2,891,082 |
Compare Union, SC with another city
More comparisons with Union, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Union, SC and Buenos Aires: common questions
What is the time difference between Union, SC, and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Union is on UTC−4.
What time is it in Buenos Aires when it is 9:00 AM in Union, SC?
When it is 9:00 AM in Union, it is 10:00 AM in Buenos Aires.
If it is 6:00 PM in Union, SC, what time is it in Buenos Aires?
At 6:00 PM in Union, clocks in Buenos Aires show 7:00 PM.
When do working hours in Union, SC, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Union, which is 10:00 AM to 6:00 PM in Buenos Aires.
When is it already the next day in Buenos Aires?
From 11:00 PM in Union, SC, it is already the next day in Buenos Aires. The other way round, until 1:00 AM in Buenos Aires it is still the previous day in Union.
Does the time difference between Union, SC, and Buenos Aires change?
Yes. The clocks change only in Union. From November 1, 2026, Buenos Aires will be 2 hours ahead of Union.
