London to Kalutara: time difference
Kalutara 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.
+4 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
London 22:49 10:49 PM Kalutara 03:19 3:19 AM You –:–
22:49 10:49 PM
British Summer Time · UTC+1
☀️ 07:28 · 🌙 18:05
03:19 3:19 AM
India Standard Time · UTC+5:30
☀️ 05:57 · 🌙 17:55
·
+4 h 30 min
Kalutara is 4 h 30 min ahead of London.
When you, London and Kalutara 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
🇱🇰 Kalutara
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 | 🇱🇰 Kalutara |
|---|---|---|
| Local time | 22:49 | 03:19 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 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 | 07:28 | 05:57 |
| Sunset | 18:05 | 17:55 |
| Daylight | 10 h 37 min | 11 h 58 min |
| People on this clock | 8,908,083 | 39,600 |
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 Kalutara: common questions
What is the time difference between London and Kalutara?
Kalutara is 4 hours and 30 minutes ahead: it uses UTC+5:30, while London is on UTC+1.
If it is 9:00 AM in London, what time is it in Kalutara?
At 9:00 AM in London, clocks in Kalutara show 1:30 PM.
If it is 6:00 PM in London, what time is it in Kalutara?
At 6:00 PM in London, clocks in Kalutara show 10:30 PM.
When is a good time to call Kalutara from London?
Between 9:00 AM and 1:30 PM in London – that is 1:30 PM to 6:00 PM in Kalutara – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Kalutara?
From 7:30 PM in London it is already the next day in Kalutara. The other way round, until 4:30 AM in Kalutara it is still the previous day in London.
Is the time difference between London and Kalutara the same all year?
No. Only London switches to summer time, so the gap changes twice a year. From October 25, 2026, Kalutara will be 5 hours and 30 minutes ahead of London.
