Cienfuegos to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Cienfuegos. 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.
Cienfuegos 21:37 9:37 PM Buenos Aires 22:37 10:37 PM You –:–
21:37 9:37 PM
Cuba Daylight Time · UTC-4
☀️ 07:16 · 🌙 19:03
22:37 10:37 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+1 h
Buenos Aires is 1 h ahead of Cienfuegos.
When you, Cienfuegos 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
🇨🇺 Cienfuegos
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
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- Right now
Time zones side by side
| Detail | 🇨🇺 Cienfuegos | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 21:37 | 22:37 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Cuba Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Cienfuegos | — | +1 h |
| IANA zone | America/Havana | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 00:00 | Not observed |
| Sunrise | 07:16 | 06:20 |
| Sunset | 19:03 | 19:03 |
| Daylight | 11 h 47 min | 12 h 43 min |
| People on this clock | 150,404 | 2,891,082 |
Compare Cienfuegos with another city
More comparisons with Cienfuegos: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Cienfuegos and Buenos Aires: common questions
How far ahead of Cienfuegos is Buenos Aires?
Buenos Aires is 1 hour ahead of Cienfuegos: UTC−3 against UTC−4.
If it is 9:00 AM in Cienfuegos, what time is it in Buenos Aires?
At 9:00 AM in Cienfuegos, clocks in Buenos Aires show 10:00 AM.
What time is it in Buenos Aires at the end of the working day in Cienfuegos?
The working day in Cienfuegos ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
Is there a time when both Cienfuegos and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in Cienfuegos (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 Cienfuegos?
The new day starts in Buenos Aires earlier: at 11:00 PM in Cienfuegos it is already midnight there. Until 1:00 AM in Buenos Aires, Cienfuegos is still on the previous day.
Is the time difference between Cienfuegos and Buenos Aires the same all year?
No. Only Cienfuegos switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Cienfuegos.
