Columbia, TN to Buenos Aires: time difference
Buenos Aires is 2 h ahead of Columbia, TN. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Columbia, TN 15:15 3:15 PM Buenos Aires 17:15 5:15 PM You –:–
15:15 3:15 PM
Central Daylight Time · UTC-5
☀️ 06:58 · 🌙 18:10
17:15 5:15 PM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
+2 h
Buenos Aires is 2 h ahead of Columbia, TN.
When you, Columbia, TN 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
🇺🇸 Columbia, TN
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
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 1 1 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Columbia, TN | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 15:15 | 17:15 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Daylight Time | Argentina Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Columbia, TN | — | +2 h |
| IANA zone | America/Chicago | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 06:58 | 06:09 |
| Sunset | 18:10 | 19:11 |
| Daylight | 11 h 12 min | 13 h 2 min |
| People on this clock | 672,228 | 2,891,082 |
Compare Columbia, TN with another city
More comparisons with Columbia, TN: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Columbia, TN and Buenos Aires: common questions
How many hours ahead of Columbia, TN, is Buenos Aires?
The clocks in Buenos Aires are 2 hours ahead of those in Columbia (UTC−3 and UTC−5).
What time is it in Buenos Aires when it is 9:00 AM in Columbia, TN?
When it is 9:00 AM in Columbia, it is 11:00 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Columbia, TN?
When it is 6:00 PM in Columbia, it is 8:00 PM in Buenos Aires.
Is there a time when both Columbia, TN, and Buenos Aires are at work?
Yes: from 9:00 AM to 4:00 PM in Columbia (11:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
From what time in Columbia, TN, is it tomorrow in Buenos Aires?
Once it is 10:00 PM in Columbia, the date in Buenos Aires has already changed. Until 2:00 AM in Buenos Aires, it is still the previous day in Columbia.
Does the time difference between Columbia, TN, and Buenos Aires change?
Yes. The clocks change only in Columbia. From November 1, 2026, Buenos Aires will be 3 hours ahead of Columbia.
