Gangtok to London: time difference
London is 4 h 30 min behind Gangtok. 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.
Gangtok 03:01 3:01 AM London 22:31 10:31 PM You –:–
03:01 3:01 AM
India Standard Time · UTC+5:30
☀️ 05:39 · 🌙 17:03
22:31 10:31 PM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 17:59
·
−4 h 30 min
London is 4 h 30 min behind Gangtok.
When you, Gangtok 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
🇮🇳 Gangtok
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 | 🇮🇳 Gangtok | 🇬🇧 London |
|---|---|---|
| Local time | 03:01 | 22:31 |
| Local date | Wednesday, October 21, 2026 | Tuesday, October 20, 2026 |
| Time zone | India Standard Time | British Summer Time |
| UTC offset | UTC+5:30 | UTC+1 |
| Offset from Gangtok | — | −4 h 30 min |
| IANA zone | Asia/Kolkata | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 05:39 | 07:33 |
| Sunset | 17:03 | 17:59 |
| Daylight | 11 h 23 min | 10 h 26 min |
| People on this clock | 100,300 | 8,908,083 |
Compare Gangtok with another city
More comparisons with Gangtok: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Gangtok and London: common questions
How far behind Gangtok is London?
London is 4 hours and 30 minutes behind Gangtok: UTC+1 against UTC+5:30.
What time is it in London at the start of the working day in Gangtok?
The working day in Gangtok 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 Gangtok?
When it is 6:00 PM in Gangtok, it is 1:30 PM in London.
When is a good time to call London from Gangtok?
Between 1:30 PM and 6:00 PM in Gangtok – 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 Gangtok 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 Gangtok.
Does the time difference between Gangtok and London change?
Yes. The clocks change only in London. From October 25, 2026, London will be 5 hours and 30 minutes behind Gangtok.
