Chengalpattu to London: time difference
London is 4 h 30 min behind Chengalpattu. 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.
Chengalpattu 21:50 9:50 PM London 17:20 5:20 PM You –:–
21:50 9:50 PM
India Standard Time · UTC+5:30
☀️ 06:02 · 🌙 17:49
17:20 5:20 PM
British Summer Time · UTC+1
☀️ 07:37 · 🌙 17:55
·
−4 h 30 min
London is 4 h 30 min behind Chengalpattu.
When you, Chengalpattu 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
🇮🇳 Chengalpattu
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 | 🇮🇳 Chengalpattu | 🇬🇧 London |
|---|---|---|
| Local time | 21:50 | 17:20 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | India Standard Time | British Summer Time |
| UTC offset | UTC+5:30 | UTC+1 |
| Offset from Chengalpattu | — | −4 h 30 min |
| IANA zone | Asia/Kolkata | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:02 | 07:37 |
| Sunset | 17:49 | 17:55 |
| Daylight | 11 h 47 min | 10 h 18 min |
| People on this clock | 65,689 | 8,908,083 |
Compare Chengalpattu with another city
More comparisons with Chengalpattu: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Chengalpattu and London: common questions
How many hours behind Chengalpattu is London?
The clocks in London are 4 hours and 30 minutes behind those in Chengalpattu (UTC+1 and UTC+5:30).
What time is it in London when it is 9:00 AM in Chengalpattu?
When it is 9:00 AM in Chengalpattu, it is 4:30 AM in London.
What time is it in London when it is 6:00 PM in Chengalpattu?
When it is 6:00 PM in Chengalpattu, it is 1:30 PM in London.
When do working hours in Chengalpattu and in London overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:30 PM to 6:00 PM in Chengalpattu, which is 9:00 AM to 1:30 PM in London.
When is it still the previous day in London?
Until 4:30 AM in Chengalpattu it is still the previous day in London. The other way round, from 7:30 PM in London it is already the next day in Chengalpattu.
Is the time difference between Chengalpattu 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 Chengalpattu.
