London to Chengalpattu: time difference
Chengalpattu 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 18:16 6:16 PM Chengalpattu 22:46 10:46 PM You –:–
18:16 6:16 PM
British Summer Time · UTC+1
☀️ 07:37 · 🌙 17:55
22:46 10:46 PM
India Standard Time · UTC+5:30
☀️ 06:02 · 🌙 17:49
·
+4 h 30 min
Chengalpattu is 4 h 30 min ahead of London.
When you, London and Chengalpattu 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
🇮🇳 Chengalpattu
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 | 🇮🇳 Chengalpattu |
|---|---|---|
| Local time | 18:16 | 22:46 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 07:37 | 06:02 |
| Sunset | 17:55 | 17:49 |
| Daylight | 10 h 18 min | 11 h 47 min |
| People on this clock | 8,908,083 | 65,689 |
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 Chengalpattu: common questions
How many hours ahead of London is Chengalpattu?
The clocks in Chengalpattu are 4 hours and 30 minutes ahead of those in London (UTC+5:30 and UTC+1).
What time is it in Chengalpattu at the start of the working day in London?
The working day in London starts at 9:00 AM; in Chengalpattu it is 1:30 PM at that moment.
What time is it in Chengalpattu at the end of the working day in London?
The working day in London ends at 6:00 PM; in Chengalpattu it is 10:30 PM at that moment.
Is there a time when both London and Chengalpattu are at work?
Yes: from 9:00 AM to 1:30 PM in London (1:30 PM to 6:00 PM in Chengalpattu), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Chengalpattu?
From 7:30 PM in London it is already the next day in Chengalpattu. The other way round, until 4:30 AM in Chengalpattu it is still the previous day in London.
Does the time difference between London and Chengalpattu change?
Yes. The clocks change only in London. From October 25, 2026, Chengalpattu will be 5 hours and 30 minutes ahead of London.
