BRT to GMT Converter

GMT is 3 hours ahead of BRT. 9:00 AM BRT = 12:00 PM GMT.

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BRTfrom
Brasília Time
--:--
 
Greenwich Mean Time
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GMT is 3 hours ahead of BRT. To convert BRT to GMT, 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. GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year.

The UK is on GMT only in winter; in summer it uses BST (UTC+1).

BRT to GMT time conversion table

BRT to GMT on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

BRTGMTDay
12:00 AM BRT3:00 AM GMTnight
1:00 AM BRT4:00 AM GMTnight
2:00 AM BRT5:00 AM GMTnight
3:00 AM BRT6:00 AM GMT—
4:00 AM BRT7:00 AM GMT—
5:00 AM BRT8:00 AM GMT—
6:00 AM BRT9:00 AM GMT—
7:00 AM BRT10:00 AM GMT—
8:00 AM BRT11:00 AM GMT—
9:00 AM BRT12:00 PM GMTwork hours
10:00 AM BRT1:00 PM GMTwork hours
11:00 AM BRT2:00 PM GMTwork hours
12:00 PM BRT3:00 PM GMTwork hours
1:00 PM BRT4:00 PM GMTwork hours
2:00 PM BRT5:00 PM GMT—
3:00 PM BRT6:00 PM GMT—
4:00 PM BRT7:00 PM GMT—
5:00 PM BRT8:00 PM GMT—
6:00 PM BRT9:00 PM GMT—
7:00 PM BRT10:00 PM GMTnight
8:00 PM BRT11:00 PM GMTnight
9:00 PM BRT12:00 AM GMTnext day
10:00 PM BRT1:00 AM GMTnext day
11:00 PM BRT2:00 AM GMTnext day
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert BRT to GMT

Add 3 hours to the BRT time to get GMT.

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 GMT

The time difference between BRT and GMT is 3 hours all year – GMT is ahead of BRT.

BRT and GMT during daylight saving time

  • BRT does not observe daylight saving time; it stays on UTC−3 all year.
  • GMT does not observe daylight saving time; it stays on UTC+0 all year.

Best time for a meeting between BRT and GMT

BRT and GMT 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.

Plan a meeting across more time zones.

BRT to GMT FAQ

What is the time difference between BRT and GMT?

GMT is 3 hours ahead of BRT all year. 9:00 AM BRT = 12:00 PM GMT.

What is 9 AM BRT in GMT?

9:00 AM BRT is 12:00 PM GMT.

What is 12 PM (noon) BRT in GMT?

12:00 PM BRT is 3:00 PM GMT.

Is GMT ahead of or behind BRT?

GMT is 3 hours ahead of BRT, so it is later in GMT 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 GMT change for daylight saving time?

No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between BRT and GMT?

BRT and GMT 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 GMT to BRT

Convert BRT to other time zones

Convert other time zones to GMT

Learn more

Updated 6 November 2026. Time zone data: IANA tz database.