GMT to BRT Converter
BRT is 3 hours behind GMT. 9:00 AM GMT = 6:00 AM BRT.
BRT is 3 hours behind GMT. To convert GMT to BRT, subtract 3 hours from the GMT time: 9:00 AM GMT = 6:00 AM BRT.
GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year. BRT (Brasília Time) is used in Brasília, São Paulo, Rio de Janeiro.
The UK is on GMT only in winter; in summer it uses BST (UTC+1).
GMT to BRT time conversion table
GMT to BRT on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| GMT | BRT | Day |
|---|---|---|
| 12:00 AM GMT | 9:00 PM BRT | previous day |
| 1:00 AM GMT | 10:00 PM BRT | previous day |
| 2:00 AM GMT | 11:00 PM BRT | previous day |
| 3:00 AM GMT | 12:00 AM BRT | night |
| 4:00 AM GMT | 1:00 AM BRT | night |
| 5:00 AM GMT | 2:00 AM BRT | night |
| 6:00 AM GMT | 3:00 AM BRT | night |
| 7:00 AM GMT | 4:00 AM BRT | night |
| 8:00 AM GMT | 5:00 AM BRT | night |
| 9:00 AM GMT | 6:00 AM BRT | — |
| 10:00 AM GMT | 7:00 AM BRT | — |
| 11:00 AM GMT | 8:00 AM BRT | — |
| 12:00 PM GMT | 9:00 AM BRT | work hours |
| 1:00 PM GMT | 10:00 AM BRT | work hours |
| 2:00 PM GMT | 11:00 AM BRT | work hours |
| 3:00 PM GMT | 12:00 PM BRT | work hours |
| 4:00 PM GMT | 1:00 PM BRT | work hours |
| 5:00 PM GMT | 2:00 PM BRT | — |
| 6:00 PM GMT | 3:00 PM BRT | — |
| 7:00 PM GMT | 4:00 PM BRT | — |
| 8:00 PM GMT | 5:00 PM BRT | — |
| 9:00 PM GMT | 6:00 PM BRT | — |
| 10:00 PM GMT | 7:00 PM BRT | — |
| 11:00 PM GMT | 8:00 PM BRT | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert GMT to BRT
Subtract 3 hours from the GMT time to get BRT.
Example: 9:00 AM GMT = 6:00 AM BRT.
Across midnight: 1:00 AM GMT = 10:00 PM BRT (previous day). The date changes, so always check the day as well as the hour.
Time difference between GMT and BRT
The time difference between GMT and BRT is 3 hours all year – BRT is behind GMT.
GMT and BRT during daylight saving time
- GMT does not observe daylight saving time; it stays on UTC+0 all year.
- BRT does not observe daylight saving time; it stays on UTC−3 all year.
Best time for a meeting between GMT and BRT
GMT and BRT share 5 hours of the 9 AM–5 PM working day. Any time between 12:00 PM and 5:00 PM GMT lands between 9:00 AM and 2:00 PM BRT, inside working hours for both.
GMT to BRT FAQ
What is the time difference between GMT and BRT?
BRT is 3 hours behind GMT all year. 9:00 AM GMT = 6:00 AM BRT.
What is 9 AM GMT in BRT?
9:00 AM GMT is 6:00 AM BRT.
What is 12 PM (noon) GMT in BRT?
12:00 PM GMT is 9:00 AM BRT.
Is BRT ahead of or behind GMT?
BRT is 3 hours behind GMT, so it is earlier in BRT than in GMT.
Does GMT change for daylight saving time?
No. GMT 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 GMT and BRT?
GMT and BRT share 5 hours of the 9 AM–5 PM working day. Any time between 12:00 PM and 5:00 PM GMT lands between 9:00 AM and 2:00 PM BRT, inside working hours for both.
Related conversions
Convert BRT to GMT
Convert GMT to other time zones
Convert other time zones to BRT
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.