BRT to BST Converter
GMT is 3 hours ahead of BRT. 9:00 AM BRT = 12:00 PM GMT.
GMT is 3 hours ahead of BRT at the moment. To convert BRT to BST, add 3 hours to the BRT time: 9:00 AM BRT = 12:00 PM GMT.
BRT (Brasília Time) is used in Brasília, São Paulo, Rio de Janeiro. BST (British Time) is used in United Kingdom from late March to late October.
BST here means British Summer Time, not Bangladesh Standard Time. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT.
BRT to BST time conversion table
BRT to BST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BRT | BST | Day |
|---|---|---|
| 12:00 AM BRT | 3:00 AM GMT | night |
| 1:00 AM BRT | 4:00 AM GMT | night |
| 2:00 AM BRT | 5:00 AM GMT | night |
| 3:00 AM BRT | 6:00 AM GMT | — |
| 4:00 AM BRT | 7:00 AM GMT | — |
| 5:00 AM BRT | 8:00 AM GMT | — |
| 6:00 AM BRT | 9:00 AM GMT | — |
| 7:00 AM BRT | 10:00 AM GMT | — |
| 8:00 AM BRT | 11:00 AM GMT | — |
| 9:00 AM BRT | 12:00 PM GMT | work hours |
| 10:00 AM BRT | 1:00 PM GMT | work hours |
| 11:00 AM BRT | 2:00 PM GMT | work hours |
| 12:00 PM BRT | 3:00 PM GMT | work hours |
| 1:00 PM BRT | 4:00 PM GMT | work hours |
| 2:00 PM BRT | 5:00 PM GMT | — |
| 3:00 PM BRT | 6:00 PM GMT | — |
| 4:00 PM BRT | 7:00 PM GMT | — |
| 5:00 PM BRT | 8:00 PM GMT | — |
| 6:00 PM BRT | 9:00 PM GMT | — |
| 7:00 PM BRT | 10:00 PM GMT | night |
| 8:00 PM BRT | 11:00 PM GMT | night |
| 9:00 PM BRT | 12:00 AM GMT | next day |
| 10:00 PM BRT | 1:00 AM GMT | next day |
| 11:00 PM BRT | 2:00 AM GMT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert BRT to BST
Add 3 hours to the BRT time to get BST.
Example: 9:00 AM BRT = 12:00 PM GMT.
Across midnight: 10:00 PM BRT = 1:00 AM GMT (next day). The date changes, so always check the day as well as the hour.
Time difference between BRT and BST
The time difference between BRT and BST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 27 Mar 2026: BST is 3 hours ahead of BRT.
- 28 Mar 2026 – 23 Oct 2026: BST is 4 hours ahead of BRT.
- 24 Oct 2026 – 30 Dec 2026: BST is 3 hours ahead of BRT.
BRT and BST during daylight saving time
- BRT does not observe daylight saving time; it stays on UTC−3 all year.
- BST next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
Best time for a meeting between BRT and BST
BRT and BST share 5 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 2:00 PM BRT lands between 12:00 PM and 5:00 PM GMT, inside working hours for both.
BRT to BST FAQ
What is the time difference between BRT and BST?
Right now GMT is 3 hours ahead of BRT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM BRT in BST?
9:00 AM BRT is 12:00 PM GMT.
What is 12 PM (noon) BRT in BST?
12:00 PM BRT is 3:00 PM GMT.
Is BST ahead of or behind BRT?
GMT is 3 hours ahead of BRT, so it is later in BST than in BRT.
Does BRT change for daylight saving time?
No. BRT stays on the same offset all year, so conversions never shift for daylight saving time.
Does BST change for daylight saving time?
Yes. BST next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
What is the best time for a meeting between BRT and BST?
BRT and BST share 5 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 2:00 PM BRT lands between 12:00 PM and 5:00 PM GMT, inside working hours for both.
Related conversions
Convert BST to BRT
Convert BRT to other time zones
Convert other time zones to BST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.