London to Colombo: time difference
Colombo is 4 h 30 min ahead of London. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
London 03:50 3:50 AM Colombo 08:20 8:20 AM You –:–
03:50 3:50 AM
British Summer Time · UTC+1
☀️ 07:16 · 🌙 18:20
08:20 8:20 AM
India Standard Time · UTC+5:30
☀️ 05:58 · 🌙 17:59
·
+4 h 30 min
Colombo is 4 h 30 min ahead of London.
When you, London and Colombo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 London
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇱🇰 Colombo
4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM 15:30 3:30 PM 16:30 4:30 PM 17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM 21:30 9:30 PM 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM 2:30 2:30 AM 3:30 3:30 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 London | 🇱🇰 Colombo |
|---|---|---|
| Local time | 03:50 | 08:20 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | British Summer Time | India Standard Time |
| UTC offset | UTC+1 | UTC+5:30 |
| Offset from London | — | +4 h 30 min |
| IANA zone | Europe/London | Asia/Colombo |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:16 | 05:58 |
| Sunset | 18:20 | 17:59 |
| Daylight | 11 h 4 min | 12 h |
| People on this clock | 8,908,083 | 753,000 |
Compare London with another city
More comparisons with London: the time zones next to it and the far side of the clock.
Big time differences
London and Colombo: common questions
How far ahead of London is Colombo?
Colombo is 4 hours and 30 minutes ahead of London: UTC+5:30 against UTC+1.
What time is it in Colombo when it is 9:00 AM in London?
When it is 9:00 AM in London, it is 1:30 PM in Colombo.
What time is it in Colombo at the end of the working day in London?
The working day in London ends at 6:00 PM; in Colombo it is 10:30 PM at that moment.
When do working hours in London and in Colombo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 1:30 PM in London, which is 1:30 PM to 6:00 PM in Colombo.
When is it already the next day in Colombo?
From 7:30 PM in London it is already the next day in Colombo. The other way round, until 4:30 AM in Colombo it is still the previous day in London.
Does the time difference between London and Colombo change?
Yes. The clocks change only in London. From October 25, 2026, Colombo will be 5 hours and 30 minutes ahead of London.
