What is GMT in BRT?
Brasília Time is 3 hours behind
Greenwich Mean Time is on UTC+0:00 and Brasília Time is on UTC−3:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in Greenwich
- 2:56 am
- Time in São Paulo
- 11:56 pm
- Difference
- −3 h
- Next clock change
- Neither zone
Convert a time
BRT — Brasília Time
11:00 pm
Tue, the previous day
Daylight saving
Greenwich Mean Time
Greenwich Mean Time stays on GMT all year, so its offset from UTC never moves.
Brasília Time
Brasília Time stays on BRT all year, so its offset from UTC never moves.
GMT to BRT conversion table
Every hour of Wednesday, September 23, 2026, converted from Greenwich Mean Time to Brasília Time. 3 of the 24 hours fall on a different calendar day in São Paulo, which is marked.
- 12:00 am GMT
- 9:00 pm BRT−1 day
- 1:00 am GMT
- 10:00 pm BRT−1 day
- 2:00 am GMT
- 11:00 pm BRT−1 day
- 3:00 am GMT
- 12:00 am BRT
- 4:00 am GMT
- 1:00 am BRT
- 5:00 am GMT
- 2:00 am BRT
- 6:00 am GMT
- 3:00 am BRT
- 7:00 am GMT
- 4:00 am BRT
- 8:00 am GMT
- 5:00 am BRT
- 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
- 1:00 pm GMT
- 10:00 am BRT
- 2:00 pm GMT
- 11:00 am BRT
- 3:00 pm GMT
- 12:00 pm BRT
- 4:00 pm GMT
- 1:00 pm BRT
- 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
Scheduling between the two
Working hours overlap from 12:00 pm to 6:00 pm GMT, which is 9:00 am to 3:00 pm BRT. Anything inside that window falls in the normal working day at both ends.
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.
Brasília Time (BRT) is used in Rio de Janeiro and Brasília. Brazil ended daylight saving in 2019.