Port Blair to London: time difference
London is 4 h 30 min behind Port Blair. 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.
Port Blair 20:51 8:51 PM London 16:21 4:21 PM You –:–
20:51 8:51 PM
India Standard Time · UTC+5:30
☀️ 05:10 · 🌙 17:00
16:21 4:21 PM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 17:59
·
−4 h 30 min
London is 4 h 30 min behind Port Blair.
When you, Port Blair 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
🇮🇳 Port Blair
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 | 🇮🇳 Port Blair | 🇬🇧 London |
|---|---|---|
| Local time | 20:51 | 16:21 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | India Standard Time | British Summer Time |
| UTC offset | UTC+5:30 | UTC+1 |
| Offset from Port Blair | — | −4 h 30 min |
| IANA zone | Asia/Kolkata | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 05:10 | 07:33 |
| Sunset | 17:00 | 17:59 |
| Daylight | 11 h 50 min | 10 h 26 min |
| People on this clock | 108,500 | 8,908,083 |
Compare Port Blair with another city
More comparisons with Port Blair: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Port Blair and London: common questions
What is the time difference between Port Blair and London?
London is 4 hours and 30 minutes behind: it uses UTC+1, while Port Blair is on UTC+5:30.
What time is it in London at the start of the working day in Port Blair?
The working day in Port Blair starts at 9:00 AM; in London it is 4:30 AM at that moment.
What time is it in London when it is 6:00 PM in Port Blair?
When it is 6:00 PM in Port Blair, it is 1:30 PM in London.
When is a good time to call London from Port Blair?
Between 1:30 PM and 6:00 PM in Port Blair – that is 9:00 AM to 1:30 PM in London – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in London?
Until 4:30 AM in Port Blair 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 Port Blair.
Does the time difference between Port Blair and London change?
Yes. The clocks change only in London. From October 25, 2026, London will be 5 hours and 30 minutes behind Port Blair.
