Las Tunas to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Las Tunas. 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.
Las Tunas 17:59 5:59 PM Buenos Aires 18:59 6:59 PM You –:–
17:59 5:59 PM
Cuba Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:41
18:59 6:59 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+1 h
Buenos Aires is 1 h ahead of Las Tunas.
When you, Las Tunas 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
🇨🇺 Las Tunas
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 | 🇨🇺 Las Tunas | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 17:59 | 18:59 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Cuba Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Las Tunas | — | +1 h |
| IANA zone | America/Havana | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 00:00 | Not observed |
| Sunrise | 07:06 | 06:06 |
| Sunset | 18:41 | 19:12 |
| Daylight | 11 h 35 min | 13 h 6 min |
| People on this clock | 168,645 | 2,891,082 |
Compare Las Tunas with another city
More comparisons with Las Tunas: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Las Tunas and Buenos Aires: common questions
How far ahead of Las Tunas is Buenos Aires?
Buenos Aires is 1 hour ahead of Las Tunas: UTC−3 against UTC−4.
If it is 9:00 AM in Las Tunas, what time is it in Buenos Aires?
At 9:00 AM in Las Tunas, clocks in Buenos Aires show 10:00 AM.
If it is 6:00 PM in Las Tunas, what time is it in Buenos Aires?
At 6:00 PM in Las Tunas, clocks in Buenos Aires show 7:00 PM.
When is a good time to call Buenos Aires from Las Tunas?
Between 9:00 AM and 5:00 PM in Las Tunas – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
From what time in Las Tunas is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Las Tunas, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Las Tunas.
Does the time difference between Las Tunas and Buenos Aires change?
Yes. The clocks change only in Las Tunas. From November 1, 2026, Buenos Aires will be 2 hours ahead of Las Tunas.
