Cuba to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Cuba. 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.
Cuba 22:25 10:25 PM Buenos Aires 23:25 11:25 PM You –:–
22:25 10:25 PM
Cuba Daylight Time · UTC-4
☀️ 07:25 · 🌙 19:10
23:25 11:25 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+1 h
Buenos Aires is 1 h ahead of Cuba.
When you, Cuba 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
🇨🇺 Cuba
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 | 🇨🇺 Cuba | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 22:25 | 23:25 |
| 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 Cuba | — | +1 h |
| IANA zone | America/Havana | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 00:00 | Not observed |
| Sunrise | 07:25 | 06:20 |
| Sunset | 19:10 | 19:03 |
| Daylight | 11 h 46 min | 12 h 43 min |
| People on this clock | 10,985,974 | 2,891,082 |
Compare Cuba with another city
More comparisons with Cuba: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Cuba and Buenos Aires: common questions
What is the time difference between Cuba and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Cuba is on UTC−4.
If it is 9:00 AM in Cuba, what time is it in Buenos Aires?
At 9:00 AM in Cuba, clocks in Buenos Aires show 10:00 AM.
If it is 6:00 PM in Cuba, what time is it in Buenos Aires?
At 6:00 PM in Cuba, clocks in Buenos Aires show 7:00 PM.
When is a good time to call Buenos Aires from Cuba?
Between 9:00 AM and 5:00 PM in Cuba – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Buenos Aires?
From 11:00 PM in Cuba 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 Cuba.
Does the time gap between Cuba and Buenos Aires change during the year?
Yes – daylight saving time is used in Cuba but not in Buenos Aires. From November 1, 2026, Buenos Aires will be 2 hours ahead of Cuba.
