Rio de Janeiro to Las Tunas: time difference
Las Tunas is 1 h behind Rio de Janeiro. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rio de Janeiro 19:42 7:42 PM Las Tunas 18:42 6:42 PM You –:–
19:42 7:42 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
18:42 6:42 PM
Cuba Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:41
·
−1 h
Las Tunas is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Las Tunas are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇨🇺 Las Tunas
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇨🇺 Las Tunas |
|---|---|---|
| Local time | 19:42 | 18:42 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Brasilia Standard Time | Cuba Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Rio de Janeiro | — | −1 h |
| IANA zone | America/Sao Paulo | America/Havana |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 00:00 |
| Sunrise | 05:17 | 07:06 |
| Sunset | 18:00 | 18:41 |
| Daylight | 12 h 43 min | 11 h 35 min |
| People on this clock | 6,211,223 | 168,645 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Las Tunas: common questions
How many hours behind Rio de Janeiro is Las Tunas?
The clocks in Las Tunas are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
What time is it in Las Tunas when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Las Tunas.
What time is it in Las Tunas at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Las Tunas it is 5:00 PM at that moment.
When is a good time to call Las Tunas from Rio de Janeiro?
Between 10:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 5:00 PM in Las Tunas – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Rio de Janeiro is it still yesterday in Las Tunas?
Before 1:00 AM in Rio de Janeiro, the date in Las Tunas has not changed yet. From 11:00 PM in Las Tunas, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Las Tunas change?
Yes. The clocks change only in Las Tunas. From November 1, 2026, Las Tunas will be 2 hours behind Rio de Janeiro.
