Sumy to London: time difference
London is 2 h behind Sumy. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sumy 05:55 5:55 AM London 03:55 3:55 AM You –:–
05:55 5:55 AM
Eastern European Standard Time · UTC+2
☀️ 06:41 · 🌙 16:09
03:55 3:55 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
·
−2 h
London is 2 h behind Sumy.
When you, Sumy 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
🇺🇦 Sumy
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
22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇦 Sumy | 🇬🇧 London |
|---|---|---|
| Local time | 05:55 | 03:55 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern European Standard Time | Greenwich Mean Time |
| UTC offset | UTC+2 | UTC+0 |
| Offset from Sumy | — | −2 h |
| IANA zone | Europe/Kyiv | Europe/London |
| Daylight saving | On standard time → UTC+3, Mar 28, 04:00 | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 06:41 | 07:03 |
| Sunset | 16:09 | 16:27 |
| Daylight | 9 h 27 min | 9 h 24 min |
| People on this clock | 267,633 | 8,908,083 |
Compare Sumy with another city
More comparisons with Sumy: the time zones next to it and the far side of the clock.
Big time differences
Sumy and London: common questions
How far behind Sumy is London?
London is 2 hours behind Sumy: UTC+0 against UTC+2.
What time is it in London when it is 9:00 AM in Sumy?
When it is 9:00 AM in Sumy, it is 7:00 AM in London.
What time is it in London at the end of the working day in Sumy?
The working day in Sumy ends at 6:00 PM; in London it is 4:00 PM at that moment.
When is a good time to call London from Sumy?
Between 11:00 AM and 6:00 PM in Sumy – that is 9:00 AM to 4:00 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 2:00 AM in Sumy it is still the previous day in London. The other way round, from 10:00 PM in London it is already the next day in Sumy.
Does the time difference between Sumy and London change?
No. The clocks in Sumy and in London change on the same dates, so the difference stays 2 hours.
