London to Kollam: time difference
Kollam 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 15:54 3:54 PM Kollam 20:24 8:24 PM You –:–
15:54 3:54 PM
British Summer Time · UTC+1
☀️ 07:28 · 🌙 18:05
20:24 8:24 PM
India Standard Time · UTC+5:30
☀️ 06:12 · 🌙 18:07
·
+4 h 30 min
Kollam is 4 h 30 min ahead of London.
When you, London and Kollam 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
🇮🇳 Kollam
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 | 🇮🇳 Kollam |
|---|---|---|
| Local time | 15:54 | 20:24 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 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/Kolkata |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:28 | 06:12 |
| Sunset | 18:05 | 18:07 |
| Daylight | 10 h 37 min | 11 h 55 min |
| People on this clock | 8,908,083 | 367,107 |
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 Kollam: common questions
How far ahead of London is Kollam?
Kollam is 4 hours and 30 minutes ahead of London: UTC+5:30 against UTC+1.
If it is 9:00 AM in London, what time is it in Kollam?
At 9:00 AM in London, clocks in Kollam show 1:30 PM.
If it is 6:00 PM in London, what time is it in Kollam?
At 6:00 PM in London, clocks in Kollam show 10:30 PM.
When is a good time to call Kollam from London?
Between 9:00 AM and 1:30 PM in London – that is 1:30 PM to 6:00 PM in Kollam – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Kollam?
From 7:30 PM in London it is already the next day in Kollam. The other way round, until 4:30 AM in Kollam it is still the previous day in London.
Does the time difference between London and Kollam change?
Yes. The clocks change only in London. From October 25, 2026, Kollam will be 5 hours and 30 minutes ahead of London.
