London to Rio de Janeiro Time Converter
Rio de Janeiro is -4h behind London
Quick converter
Search any two cities
FROM
London
United Kingdom
UTC+01:00
TO
Rio de Janeiro
Brazil
UTC-03:00
Date-aware conversion
Convert a specific date and time
Result
Sat, May 30, 2026 05:51
London: Saturday, May 30, 2026 9:51 AM GMT+1 to Rio de Janeiro: Saturday, May 30, 2026 5:51 AM GMT-3.
Rio de Janeiro is 4h behind London on this date
24-Hour Comparison
Every hour in London and the corresponding time in Rio de Janeiro. Green rows indicate business hours in Rio de Janeiro.
Time zones
London uses Europe/London (GMT+1) and Rio de Janeiro uses America/Sao_Paulo (GMT-3). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Rio de Janeiro. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for London and Rio de Janeiro
The easiest overlap starts around 1:00 PM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
About these cities
About London
London is located in United Kingdom (Europe). It uses the Europe/London timezone with a standard offset of UTC+01:00. It observes DST, switching between GMT and BST. See the full London time page for live clock and planning details.
About Rio de Janeiro
Rio de Janeiro is located in Brazil (South America). It uses the America/Sao_Paulo timezone with a standard offset of UTC-03:00. It observes DST, switching between BRT and BRST. See the full Rio de Janeiro time page for live clock and planning details.
Frequently Asked Questions
People also check