HST to BRT Converter
BRT is 7 hours ahead of HST. 9:00 AM HST = 4:00 PM BRT.
BRT is 7 hours ahead of HST. To convert HST to BRT, add 7 hours to the HST time: 9:00 AM HST = 4:00 PM BRT.
HST (Hawaii-Aleutian Time) is used in Hawaii (all year, no daylight saving time). BRT (Brasília Time) is used in Brasília, São Paulo, Rio de Janeiro.
HST to BRT time conversion table
HST to BRT on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| HST | BRT | Day |
|---|---|---|
| 12:00 AM HST | 7:00 AM BRT | — |
| 1:00 AM HST | 8:00 AM BRT | — |
| 2:00 AM HST | 9:00 AM BRT | — |
| 3:00 AM HST | 10:00 AM BRT | — |
| 4:00 AM HST | 11:00 AM BRT | — |
| 5:00 AM HST | 12:00 PM BRT | — |
| 6:00 AM HST | 1:00 PM BRT | — |
| 7:00 AM HST | 2:00 PM BRT | — |
| 8:00 AM HST | 3:00 PM BRT | — |
| 9:00 AM HST | 4:00 PM BRT | work hours |
| 10:00 AM HST | 5:00 PM BRT | — |
| 11:00 AM HST | 6:00 PM BRT | — |
| 12:00 PM HST | 7:00 PM BRT | — |
| 1:00 PM HST | 8:00 PM BRT | — |
| 2:00 PM HST | 9:00 PM BRT | — |
| 3:00 PM HST | 10:00 PM BRT | night |
| 4:00 PM HST | 11:00 PM BRT | night |
| 5:00 PM HST | 12:00 AM BRT | next day |
| 6:00 PM HST | 1:00 AM BRT | next day |
| 7:00 PM HST | 2:00 AM BRT | next day |
| 8:00 PM HST | 3:00 AM BRT | next day |
| 9:00 PM HST | 4:00 AM BRT | next day |
| 10:00 PM HST | 5:00 AM BRT | next day |
| 11:00 PM HST | 6:00 AM BRT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert HST to BRT
Add 7 hours to the HST time to get BRT.
Example: 9:00 AM HST = 4:00 PM BRT.
Across midnight: 10:00 PM HST = 5:00 AM BRT (next day). The date changes, so always check the day as well as the hour.
Time difference between HST and BRT
The time difference between HST and BRT is 7 hours all year – BRT is ahead of HST.
HST and BRT during daylight saving time
- HST does not observe daylight saving time; it stays on UTC−10 all year.
- BRT does not observe daylight saving time; it stays on UTC−3 all year.
Best time for a meeting between HST and BRT
HST and BRT share 1 hour of the 9 AM–5 PM working day. Any time between 9:00 AM and 10:00 AM HST lands between 4:00 PM and 5:00 PM BRT, inside working hours for both.
HST to BRT FAQ
What is the time difference between HST and BRT?
BRT is 7 hours ahead of HST all year. 9:00 AM HST = 4:00 PM BRT.
What is 9 AM HST in BRT?
9:00 AM HST is 4:00 PM BRT.
What is 12 PM (noon) HST in BRT?
12:00 PM HST is 7:00 PM BRT.
Is BRT ahead of or behind HST?
BRT is 7 hours ahead of HST, so it is later in BRT than in HST.
Does HST change for daylight saving time?
No. HST stays on the same offset all year, so conversions never shift for daylight saving time.
Does BRT change for daylight saving time?
No. BRT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between HST and BRT?
HST and BRT share 1 hour of the 9 AM–5 PM working day. Any time between 9:00 AM and 10:00 AM HST lands between 4:00 PM and 5:00 PM BRT, inside working hours for both.
Related conversions
Convert BRT to HST
Convert HST to other time zones
Convert other time zones to BRT
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.