Tumkur to London: time difference
London is 4 h 30 min behind Tumkur. 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.
Tumkur 07:42 7:42 AM London 03:12 3:12 AM You –:–
07:42 7:42 AM
India Standard Time · UTC+5:30
☀️ 06:13 · 🌙 18:02
03:12 3:12 AM
British Summer Time · UTC+1
☀️ 07:28 · 🌙 18:05
·
−4 h 30 min
London is 4 h 30 min behind Tumkur.
When you, Tumkur 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
🇮🇳 Tumkur
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 | 🇮🇳 Tumkur | 🇬🇧 London |
|---|---|---|
| Local time | 07:42 | 03:12 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | India Standard Time | British Summer Time |
| UTC offset | UTC+5:30 | UTC+1 |
| Offset from Tumkur | — | −4 h 30 min |
| IANA zone | Asia/Kolkata | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:13 | 07:28 |
| Sunset | 18:02 | 18:05 |
| Daylight | 11 h 50 min | 10 h 37 min |
| People on this clock | 100,000 | 8,908,083 |
Compare Tumkur with another city
More comparisons with Tumkur: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Tumkur and London: common questions
How many hours behind Tumkur is London?
The clocks in London are 4 hours and 30 minutes behind those in Tumkur (UTC+1 and UTC+5:30).
If it is 9:00 AM in Tumkur, what time is it in London?
At 9:00 AM in Tumkur, clocks in London show 4:30 AM.
What time is it in London at the end of the working day in Tumkur?
The working day in Tumkur ends at 6:00 PM; in London it is 1:30 PM at that moment.
When do working hours in Tumkur and in London overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:30 PM to 6:00 PM in Tumkur, which is 9:00 AM to 1:30 PM in London.
When does the date change in London compared with Tumkur?
The new day starts in London later: until 4:30 AM in Tumkur, it is still the previous day there. From 7:30 PM in London, Tumkur is already on the next day.
Is the time difference between Tumkur 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 Tumkur.
