Buenos Aires
AR
AR
UTC-03:00
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🌐America/Argentina/Buenos_Aires
Buenos Aires to London Time Converter
Buenos Aires is currently 4 hours behind London. Use the live clocks below to see the current local time and date in both cities, and scan the 24-hour grids to find the best overlapping business hours for a call or meeting.
Buenos Aires
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London
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London
GB
GB
UTC+01:00
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🌐Europe/London
What is the time difference between Buenos Aires and London?
Buenos Aires is between 3 and 4 hours behind London depending on the time of year, because one of the two cities observes daylight saving time and the other does not.
Current offset: Buenos Aires is on UTC-03:00 and London is on UTC+01:00 right now. Offsets shift by one hour when daylight saving time begins or ends, so the gap between the two cities can widen or narrow by an hour at those transitions.
Daylight saving time changes in Buenos Aires and London
Daylight saving time (DST) is not observed uniformly around the world. Some countries change their clocks twice a year, some observe DST on dates that differ from their neighbours, and others have abolished it entirely. The dates below are the actual transitions for the current calendar year.
Buenos Aires
Buenos Aires does not observe daylight saving time. The offset remains UTC-03:00 all year round.
London
London observes daylight saving time. Current offset: UTC+01:00.
- Clocks go forward 1 hour on Sunday, March 29, 2026. Local time switches to UTC+01:00.
- Clocks go back 1 hour on Sunday, October 25, 2026. Local time switches to UTC+00:00.
Frequently asked questions
How many hours is Buenos Aires ahead of London?
Buenos Aires is currently 4 hours behind London.
Why does the time difference change?
Because daylight saving time is observed by one city and not the other, or the two switch on different dates. Buenos Aires is on UTC-03:00 and London is on UTC+01:00 right now.