Offset
The time difference between Honolulu and Rio de Janeiro is 7 hours.
Honolulu (HST) is behind Rio de Janeiro (BRT).
HST: UTC-10
BRT: UTC-3
Neither Honolulu nor Rio de Janeiro is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–10 AM in Honolulu (4 PM–5 PM in Rio de Janeiro).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Honolulu (4:00 PM Rio de Janeiro).
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.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
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
About these zones
Honolulu uses Hawaii Time (HST). To call United States, dial +1.
Rio de Janeiro uses Brasilia Time (BRT). To call Brazil, dial +55.
Rio de Janeiro is approximately 8,300 miles east of Honolulu.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Honolulu | Rio de Janeiro | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Neither Honolulu nor Rio de Janeiro observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:50 AM
- Sunset
- 7:13 PM
- Day length
- 13h 23m
- Sunrise
- 6:30 AM
- Sunset
- 5:16 PM
- Day length
- 10h 46m
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 Hawaii Time
- HNL
Airports in Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Related conversions
Common conversions
- What is 9:00 am Honolulu in Rio de Janeiro?
- 9:00 am Honolulu is 4:00 pm Rio de Janeiro.
- What is 12:00 pm Honolulu in Rio de Janeiro?
- 12:00 pm Honolulu is 7:00 pm Rio de Janeiro.
- What is 12:30 pm Honolulu in Rio de Janeiro?
- 12:30 pm Honolulu is 7:30 pm Rio de Janeiro.
- What is 2:00 pm Honolulu in Rio de Janeiro?
- 2:00 pm Honolulu is 9:00 pm Rio de Janeiro.
- What is 5:00 pm Honolulu in Rio de Janeiro?
- 5:00 pm Honolulu is 12:00 am Rio de Janeiro, the next day.
- What is 11:30 pm Honolulu in Rio de Janeiro?
- 11:30 pm Honolulu is 6:30 am Rio de Janeiro, the next day.