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Time Difference: Colombo to London

🇱🇰ColomboUTC+5:30
vs
🇬🇧LondonUTC+0
🇱🇰
Colombo, Sri Lanka
Fri, May 29
🇬🇧
London, UK
Fri, May 29

Click a time to convert

Time Difference
4 hours 30 minutes
London is 4 hours 30 minutes behind Colombo
Compare on map
🇱🇰
Colombo
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🇬🇧
London
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Colombo vs London timezone guide

Colombo (Sri Lanka) uses the Asia/Colombo timezone at UTC+5:30, while London (UK) uses Europe/London at UTC+0. This means London is 5 hours 30 minutes behind Colombo (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Colombo and London

Standard 9-to-5 working hours overlap by 3.5 hours per day. The shared window is 1:30pm–5pm in Colombo, which is 9am–12:30pm in London. Schedule recurring meetings inside that window and both teams stay inside standard working hours.

Hour-by-hour planner

ColomboLondonStatus
6am1:30amColombo early, London asleep
7am2:30amColombo early, London asleep
8am3:30amColombo early, London asleep
9am4:30amColombo working hours, London asleep
10am5:30amColombo working hours, London asleep
11am6:30amOne side outside 9-to-5 but still awake
12pm7:30amOne side outside 9-to-5 but still awake
1pm8:30amOne side outside 9-to-5 but still awake
2pm9:30amBoth at work — ideal meeting time
3pm10:30amBoth at work — ideal meeting time
4pm11:30amBoth at work — ideal meeting time
5pm12:30pmOne side outside 9-to-5 but still awake
6pm1:30pmOne side outside 9-to-5 but still awake
7pm2:30pmOne side outside 9-to-5 but still awake
8pm3:30pmOne side outside 9-to-5 but still awake
9pm4:30pmOne side outside 9-to-5 but still awake
10pm5:30pmColombo 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 Colombo and London

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

  • Jan 1 → Mar 29Colombo is 5h 30m ahead London
  • Mar 29 → Oct 25Colombo is 4h 30m ahead London
  • Oct 25 → Jan 1Colombo is 5h 30m ahead London

Distance between Colombo and London

Great-circle distance
8,713 km
Direct flight time
~11h 15m

Colombo and London are 8,713 km apart along the great-circle route. A direct flight takes roughly ~11h 15m, depending on aircraft type, winds, and routing.

More comparisons

Colombo to New YorkColombo to TokyoColombo to SydneyLondon to New YorkLondon to TokyoLondon to SydneyLondon to Dubai

Frequently asked questions

What is the time difference between Colombo and London?
The current time difference is 4 hours 30 minutes. Colombo is currently 4 hours 30 minutes ahead of London.
Is Colombo ahead of London?
Yes. Colombo is currently 4 hours 30 minutes ahead of London.
What time is it in London when it's 9 AM in Colombo?
When it's 9 AM in Colombo, it's 4:30am in London.
When is the best time to schedule a meeting between Colombo and London?
The best window is 1:30pm–5pm in Colombo, which is 9am–12:30pm in London. That's 3.5 hours where both teams are inside standard 9-to-5 working hours.
Do Colombo and London observe daylight saving time?
London observes daylight saving time, but Colombo does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are Colombo and London?
Colombo and London are 8,713 km apart along the great-circle route. A direct flight takes roughly 11 hours 15 minutes.