What is BRT in GMT?
Greenwich Mean Time is 3 hours ahead
Brasília Time is on UTC−3:00 and Greenwich Mean Time is on UTC+0:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in São Paulo
- 11:14 pm
- Time in Greenwich
- 2:14 am
- Difference
- +3 h
- Next clock change
- Neither zone
Convert a time
GMT — Greenwich Mean Time
2:00 am
Wed, the next day
Daylight saving
Brasília Time
Brasília Time stays on BRT all year, so its offset from UTC never moves.
Greenwich Mean Time
Greenwich Mean Time stays on GMT all year, so its offset from UTC never moves.
BRT to GMT conversion table
Every hour of Tuesday, September 22, 2026, converted from Brasília Time to Greenwich Mean Time. 3 of the 24 hours fall on a different calendar day in Greenwich, which is marked.
- 12:00 am BRT
- 3:00 am GMT
- 1:00 am BRT
- 4:00 am GMT
- 2:00 am BRT
- 5:00 am GMT
- 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
- 10:00 am BRT
- 1:00 pm GMT
- 11:00 am BRT
- 2:00 pm GMT
- 12:00 pm BRT
- 3:00 pm GMT
- 1:00 pm BRT
- 4:00 pm GMT
- 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
- 8:00 pm BRT
- 11:00 pm GMT
- 9:00 pm BRT
- 12:00 am GMT+1 day
- 10:00 pm BRT
- 1:00 am GMT+1 day
- 11:00 pm BRT
- 2:00 am GMT+1 day
Scheduling between the two
Working hours overlap from 9:00 am to 3:00 pm BRT, which is 12:00 pm to 6:00 pm GMT. Anything inside that window falls in the normal working day at both ends.
Brasília Time (BRT) is used in Rio de Janeiro and Brasília. Brazil ended daylight saving in 2019.
Greenwich Mean Time (GMT) is used in as a fixed UTC+0 offset. Note that the UK itself leaves GMT every summer — see British Time below.