Puttalam to London: time difference
London is 4 h 30 min behind Puttalam. Live clocks for both, the working hours they share, and how each one sits against your own time.
−4 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Puttalam 18:38 6:38 PM London 14:08 2:08 PM You –:–
18:38 6:38 PM
India Standard Time · UTC+5:30
☀️ 05:59 · 🌙 17:55
14:08 2:08 PM
British Summer Time · UTC+1
☀️ 07:30 · 🌙 18:03
·
−4 h 30 min
London is 4 h 30 min behind Puttalam.
When you, Puttalam and London are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇱🇰 Puttalam
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
🇬🇧 London
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇱🇰 Puttalam | 🇬🇧 London |
|---|---|---|
| Local time | 18:38 | 14:08 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | India Standard Time | British Summer Time |
| UTC offset | UTC+5:30 | UTC+1 |
| Offset from Puttalam | — | −4 h 30 min |
| IANA zone | Asia/Colombo | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 05:59 | 07:30 |
| Sunset | 17:55 | 18:03 |
| Daylight | 11 h 56 min | 10 h 33 min |
| People on this clock | 45,400 | 8,908,083 |
Compare Puttalam with another city
More comparisons with Puttalam: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Puttalam and London: common questions
What is the time difference between Puttalam and London?
London is 4 hours and 30 minutes behind: it uses UTC+1, while Puttalam is on UTC+5:30.
If it is 9:00 AM in Puttalam, what time is it in London?
At 9:00 AM in Puttalam, clocks in London show 4:30 AM.
What time is it in London when it is 6:00 PM in Puttalam?
When it is 6:00 PM in Puttalam, it is 1:30 PM in London.
Is there a time when both Puttalam and London are at work?
Yes: from 1:30 PM to 6:00 PM in Puttalam (9:00 AM to 1:30 PM in London), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in London compared with Puttalam?
The new day starts in London later: until 4:30 AM in Puttalam, it is still the previous day there. From 7:30 PM in London, Puttalam is already on the next day.
Is the time difference between Puttalam and London the same all year?
No. Only London switches to summer time, so the gap changes twice a year. From October 25, 2026, London will be 5 hours and 30 minutes behind Puttalam.
