Offset
The time difference between Rio de Janeiro and Havana is 1 hour.
Rio de Janeiro (BRT) is ahead of Havana (CDT).
BRT: UTC-3
CDT: UTC-4
Havana is currently observing daylight saving time; Rio de Janeiro is not.
When to schedule
Business-hours overlap: 10 AM–5 PM in Rio de Janeiro (9 AM–4 PM in Havana).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Rio de Janeiro (12:00 PM Havana).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Brazil
- New Year's DayThu, Jan 1
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- TiradentesTue, Apr 21
- Labour DayFri, May 1
- Corpus ChristiThu, Jun 4
- Independence DayMon, Sep 7
- Our Lady of AparecidaMon, Oct 12
- All Souls' DayMon, Nov 2
- Republic Proclamation DaySun, Nov 15
- Black Awareness DayFri, Nov 20
- Christmas DayFri, Dec 25
Cuba
- Triumph of the RevolutionThu, Jan 1
- Victory of Fidel CastroFri, Jan 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Day before the Commemoration of the Assault of the Moncada garrisonSat, Jul 25
- Commemoration of the Assault of the Moncada garrisonSun, Jul 26
- Day after the Commemoration of the Assault of the Moncada garrisonMon, Jul 27
- Independence DaySat, Oct 10
- Christmas DayFri, Dec 25
About these zones
Rio de Janeiro uses Brasilia Time (BRT). To call Brazil, dial +55.
Havana uses Cuba Standard Time (CST, or CDT). To call Cuba, dial +53.
Havana is approximately 4,150 miles northwest of Rio de Janeiro.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Rio de Janeiro | Havana | Day |
|---|---|---|
| 12:00 am | 11:00 pm | -1 day |
| 1:00 am | 12:00 am | Same day |
| 2:00 am | 1:00 am | Same day |
| 3:00 am | 2:00 am | Same day |
| 4:00 am | 3:00 am | Same day |
| 5:00 am | 4:00 am | Same day |
| 6:00 am | 5:00 am | Same day |
| 7:00 am | 6:00 am | Same day |
| 8:00 am | 7:00 am | Same day |
| 9:00 am | 8:00 am | Same day |
| 10:00 am | 9:00 am | Same day |
| 11:00 am | 10:00 am | Same day |
| 12:00 pm | 11:00 am | Same day |
| 1:00 pm | 12:00 pm | Same day |
| 2:00 pm | 1:00 pm | Same day |
| 3:00 pm | 2:00 pm | Same day |
| 4:00 pm | 3:00 pm | Same day |
| 5:00 pm | 4:00 pm | Same day |
| 6:00 pm | 5:00 pm | Same day |
| 7:00 pm | 6:00 pm | Same day |
| 8:00 pm | 7:00 pm | Same day |
| 9:00 pm | 8:00 pm | Same day |
| 10:00 pm | 9:00 pm | Same day |
| 11:00 pm | 10:00 pm | Same day |
Daylight saving time
Havana observes daylight saving time; Rio de Janeiro does not. The offset between the two zones changes when Havana transitions: on Sunday, November 1, 2026, clocks fall back from CDT to CST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:30 AM
- Sunset
- 5:16 PM
- Day length
- 10h 46m
- Sunrise
- 6:44 AM
- Sunset
- 8:15 PM
- Day length
- 13h 31m
Daylight overlap: 9h 32m — 7:44 AM–5:16 PM in Rio de Janeiro (6:44 AM–4:16 PM in Havana). Both locations are in daylight during this window.
Cities in these zones
Other cities in Brasilia Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Airports in Cuba Standard Time
- HAV
Related conversions
Common conversions
- What is 9:00 am Rio de Janeiro in Havana?
- 9:00 am Rio de Janeiro is 8:00 am Havana.
- What is 12:00 pm Rio de Janeiro in Havana?
- 12:00 pm Rio de Janeiro is 11:00 am Havana.
- What is 12:30 pm Rio de Janeiro in Havana?
- 12:30 pm Rio de Janeiro is 11:30 am Havana.
- What is 2:00 pm Rio de Janeiro in Havana?
- 2:00 pm Rio de Janeiro is 1:00 pm Havana.
- What is 5:00 pm Rio de Janeiro in Havana?
- 5:00 pm Rio de Janeiro is 4:00 pm Havana.
- What is 11:30 pm Rio de Janeiro in Havana?
- 11:30 pm Rio de Janeiro is 10:30 pm Havana.