Sikkim to London: time difference
London is 4 h 30 min behind Sikkim. 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.
Sikkim 00:42 12:42 AM London 20:12 8:12 PM You –:–
00:42 12:42 AM
India Standard Time · UTC+5:30
☀️ 05:40 · 🌙 17:03
20:12 8:12 PM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 17:59
·
−4 h 30 min
London is 4 h 30 min behind Sikkim.
When you, Sikkim 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
🇮🇳 Sikkim
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 | 🇮🇳 Sikkim | 🇬🇧 London |
|---|---|---|
| Local time | 00:42 | 20:12 |
| 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 Sikkim | — | −4 h 30 min |
| IANA zone | Asia/Kolkata | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 05:40 | 07:33 |
| Sunset | 17:03 | 17:59 |
| Daylight | 11 h 23 min | 10 h 26 min |
| People on this clock | 610,577 | 8,908,083 |
Compare Sikkim with another city
More comparisons with Sikkim: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sikkim and London: common questions
How many hours behind Sikkim is London?
The clocks in London are 4 hours and 30 minutes behind those in Sikkim (UTC+1 and UTC+5:30).
What time is it in London at the start of the working day in Sikkim?
The working day in Sikkim starts at 9:00 AM; in London it is 4:30 AM at that moment.
If it is 6:00 PM in Sikkim, what time is it in London?
At 6:00 PM in Sikkim, clocks in London show 1:30 PM.
When do working hours in Sikkim and in London overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:30 PM to 6:00 PM in Sikkim, 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 Sikkim 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 Sikkim.
Is the time difference between Sikkim 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 Sikkim.
