Atenas to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Atenas. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Atenas 22:24 10:24 PM Buenos Aires 01:24 1:24 AM You –:–
22:24 10:24 PM
Central Standard Time · UTC-6
☀️ 05:27 · 🌙 17:19
01:24 1:24 AM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+3 h
Buenos Aires is 3 h ahead of Atenas.
When you, Atenas 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
🇨🇷 Atenas
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
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 2 2 AM
📍 Your time
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Time zones side by side
| Detail | 🇨🇷 Atenas | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 22:24 | 01:24 |
| Local date | Monday, October 19, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Standard Time | Argentina Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Atenas | — | +3 h |
| IANA zone | America/Costa Rica | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:27 | 06:06 |
| Sunset | 17:19 | 19:12 |
| Daylight | 11 h 53 min | 13 h 6 min |
| People on this clock | 7,000 | 2,891,082 |
Compare Atenas with another city
More comparisons with Atenas: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Atenas and Buenos Aires: common questions
What is the time difference between Atenas and Buenos Aires?
Buenos Aires is 3 hours ahead: it uses UTC−3, while Atenas is on UTC−6.
What time is it in Buenos Aires when it is 9:00 AM in Atenas?
When it is 9:00 AM in Atenas, it is 12:00 PM in Buenos Aires.
If it is 6:00 PM in Atenas, what time is it in Buenos Aires?
At 6:00 PM in Atenas, clocks in Buenos Aires show 9:00 PM.
Is there a time when both Atenas and Buenos Aires are at work?
Yes: from 9:00 AM to 3:00 PM in Atenas (12:00 PM 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 Atenas?
The new day starts in Buenos Aires earlier: at 9:00 PM in Atenas it is already midnight there. Until 3:00 AM in Buenos Aires, Atenas is still on the previous day.
Does the time difference between Atenas and Buenos Aires change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
