Columbia, KY to Buenos Aires: time difference
Buenos Aires is 2 h ahead of Columbia, KY. 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, KY 00:58 12:58 AM Buenos Aires 02:58 2:58 AM You –:–
00:58 12:58 AM
Central Daylight Time · UTC-5
☀️ 06:56 · 🌙 17:57
02:58 2:58 AM
Argentina Standard Time · UTC-3
☀️ 06:04 · 🌙 19:14
·
+2 h
Buenos Aires is 2 h ahead of Columbia, KY.
When you, Columbia, KY 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, KY
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, KY | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 00:58 | 02:58 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Central Daylight Time | Argentina Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Columbia, KY | — | +2 h |
| IANA zone | America/Chicago | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 06:56 | 06:04 |
| Sunset | 17:57 | 19:14 |
| Daylight | 11 h | 13 h 10 min |
| People on this clock | 139,698 | 2,891,082 |
Compare Columbia, KY with another city
More comparisons with Columbia, KY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Columbia, KY and Buenos Aires: common questions
What is the time difference between Columbia, KY, and Buenos Aires?
Buenos Aires is 2 hours ahead: it uses UTC−3, while Columbia is on UTC−5.
What time is it in Buenos Aires at the start of the working day in Columbia, KY?
The working day in Columbia starts at 9:00 AM; in Buenos Aires it is 11:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Columbia, KY?
When it is 6:00 PM in Columbia, it is 8:00 PM in Buenos Aires.
When do working hours in Columbia, KY, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Columbia, which is 11:00 AM to 6:00 PM in Buenos Aires.
When is it already the next day in Buenos Aires?
From 10:00 PM in Columbia, KY, it is already the next day in Buenos Aires. The other way round, until 2:00 AM in Buenos Aires it is still the previous day in Columbia.
Does the time difference between Columbia, KY, and Buenos Aires change?
Yes. The clocks change only in Columbia. From November 1, 2026, Buenos Aires will be 3 hours ahead of Columbia.
