London
São Paulo
Convert GMT to BRT
Greenwich Mean Time to Brasília Time — São Paulo is 4 hours behind London
Quick Facts
Time Difference
-4 hours
GMT Full Name
Greenwich Mean Time
BRT Full Name
Brasília Time
GMT to BRT Conversion Table
Related Conversions
About GMT and BRT Time Zones
GMT (Greenwich Mean Time) is UTC+0 and covers cities like London, Dublin, Lisbon. BRT (Brasília Time) is UTC-3 and covers cities like São Paulo, Rio de Janeiro, Brasília.
When it's 12:00 PM (noon) in London (GMT), it's 8:00 AM in São Paulo (BRT). The time difference between GMT and BRT is 4 hours — São Paulo is behind London.
With only a 3-hour difference, London and São Paulo share nearly a full business day overlap, making scheduling straightforward.
Use our world clock tool to compare London and São Paulo with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between GMT and BRT?
São Paulo (BRT) is 4 hours behind London (GMT). The offset is -4 hours.
Is BRT ahead or behind GMT?
BRT is 4 hours behind GMT. GMT is UTC+1 and BRT is UTC-3.
When it's 12:00 PM in London, what time is it in São Paulo?
When it's 12:00 PM (noon) in London (GMT), it's 8:00 AM in São Paulo (BRT).
When it's 5:00 PM in London, what time is it in São Paulo?
When it's 5:00 PM in London (GMT), it's 1:00 PM in São Paulo (BRT).