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Time Difference: Buenos Aires to London

🇦🇷Buenos AiresUTC-3
vs
🇬🇧LondonUTC+0
🇦🇷
Buenos Aires, Argentina
Thu, Jun 4
🇬🇧
London, UK
Thu, Jun 4

Click a time to convert

Time Difference
4 hours
London is 4 hours ahead of Buenos Aires

Buenos Aires vs London timezone guide

Buenos Aires (Argentina) uses the America/Argentina/Buenos_Aires timezone at UTC-3, while London (UK) uses Europe/London at UTC+0. This means London is 3 hours ahead of Buenos Aires (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Buenos Aires and London

Standard 9-to-5 working hours overlap by 4 hours per day. The shared window is 9am1pm in Buenos Aires, which is 1pm5pm in London. Schedule recurring meetings inside that window and both teams stay inside standard working hours.

Hour-by-hour planner

Buenos AiresLondonStatus
6am10amOne side outside 9-to-5 but still awake
7am11amOne side outside 9-to-5 but still awake
8am12pmOne side outside 9-to-5 but still awake
9am1pmBoth at work — ideal meeting time
10am2pmBoth at work — ideal meeting time
11am3pmBoth at work — ideal meeting time
12pm4pmBoth at work — ideal meeting time
1pm5pmOne side outside 9-to-5 but still awake
2pm6pmOne side outside 9-to-5 but still awake
3pm7pmOne side outside 9-to-5 but still awake
4pm8pmOne side outside 9-to-5 but still awake
5pm9pmBuenos Aires evening, London evening
6pm10pmBuenos Aires evening, London late evening
7pm11pmBuenos Aires evening, London late evening
8pm12amBuenos Aires evening, London asleep
9pm1amBuenos Aires evening, London asleep
10pm2amBuenos Aires late evening, London asleep

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Buenos Aires and London

London observes daylight saving time, but Buenos Aires does not. That means the difference between the two cities changes seasonally — by one hour, around London's transition dates.

  • Dec 31 Mar 28Buenos Aires is 3 hours behind London
  • Mar 28 Oct 24Buenos Aires is 4 hours behind London
  • Oct 24 Dec 31Buenos Aires is 3 hours behind London

Distance between Buenos Aires and London

Great-circle distance
11,128 km
Direct flight time
~14h 5m

Buenos Aires and London are 11,128 km apart along the great-circle route. A direct flight takes roughly ~14h 5m, depending on aircraft type, winds, and routing.

Frequently asked questions

What is the time difference between Buenos Aires and London?
The current time difference is 4 hours. Buenos Aires is currently 4 hours behind London.
Is Buenos Aires ahead of London?
No. Buenos Aires is currently 4 hours behind London.
What time is it in London when it's 9 AM in Buenos Aires?
When it's 9 AM in Buenos Aires, it's 1pm in London.
When is the best time to schedule a meeting between Buenos Aires and London?
The best window is 9am–1pm in Buenos Aires, which is 1pm–5pm in London. That's 4 hours where both teams are inside standard 9-to-5 working hours.
Do Buenos Aires and London observe daylight saving time?
London observes daylight saving time, but Buenos Aires does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are Buenos Aires and London?
Buenos Aires and London are 11,128 km apart along the great-circle route. A direct flight takes roughly 14 hours 5 minutes.