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Time Difference: Istanbul to London

🇹🇷IstanbulUTC+3
vs
🇬🇧LondonUTC+0
🇹🇷
Istanbul, Turkey
Fri, Jun 5
🇬🇧
London, UK
Fri, Jun 5

Click a time to convert

Time Difference
2 hours
London is 2 hours behind Istanbul
Compare on map
🇹🇷
Istanbul
View city page
🇬🇧
London
View city page

Istanbul vs London timezone guide

Istanbul (Turkey) uses the Europe/Istanbul timezone at UTC+3, while London (UK) uses Europe/London at UTC+0. This means London is 3 hours behind Istanbul (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Istanbul and London

Standard 9-to-5 working hours overlap by 6 hours per day. The shared window is 11am–5pm in Istanbul, which is 9am–3pm in London. Schedule recurring meetings inside that window and both teams stay inside standard working hours.

Hour-by-hour planner

IstanbulLondonStatus
6am4amIstanbul early, London asleep
7am5amIstanbul early, London asleep
8am6amIstanbul early, London early
9am7amOne side outside 9-to-5 but still awake
10am8amOne side outside 9-to-5 but still awake
11am9amBoth at work — ideal meeting time
12pm10amBoth at work — ideal meeting time
1pm11amBoth at work — ideal meeting time
2pm12pmBoth at work — ideal meeting time
3pm1pmBoth at work — ideal meeting time
4pm2pmBoth at work — ideal meeting time
5pm3pmOne side outside 9-to-5 but still awake
6pm4pmOne side outside 9-to-5 but still awake
7pm5pmIstanbul evening, London evening
8pm6pmIstanbul evening, London evening
9pm7pmIstanbul evening, London evening
10pm8pmIstanbul late evening, London evening

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 Istanbul and London

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

  • Jan 1 → Mar 29Istanbul is 3 hours ahead London
  • Mar 29 → Oct 25Istanbul is 2 hours ahead London
  • Oct 25 → Jan 1Istanbul is 3 hours ahead London

Distance between Istanbul and London

Great-circle distance
2,501 km
Direct flight time
~3h 57m

Istanbul and London are 2,501 km apart along the great-circle route. A direct flight takes roughly ~3h 57m, depending on aircraft type, winds, and routing.

More comparisons

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Frequently asked questions

What is the time difference between Istanbul and London?
The current time difference is 2 hours. Istanbul is currently 2 hours ahead of London.
Is Istanbul ahead of London?
Yes. Istanbul is currently 2 hours ahead of London.
What time is it in London when it's 9 AM in Istanbul?
When it's 9 AM in Istanbul, it's 7am in London.
When is the best time to schedule a meeting between Istanbul and London?
The best window is 11am–5pm in Istanbul, which is 9am–3pm in London. That's 6 hours where both teams are inside standard 9-to-5 working hours.
Do Istanbul and London observe daylight saving time?
London observes daylight saving time, but Istanbul does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are Istanbul and London?
Istanbul and London are 2,501 km apart along the great-circle route. A direct flight takes roughly 3 hours 57 minutes.