London to Koper: time difference
Koper is 1 h ahead of London. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
London 21:20 9:20 PM Koper 22:20 10:20 PM You –:–
21:20 9:20 PM
British Summer Time · UTC+1
☀️ 07:31 · 🌙 18:01
22:20 10:20 PM
Central European Summer Time · UTC+2
☀️ 07:27 · 🌙 18:15
·
+1 h
Koper is 1 h ahead of London.
When you, London and Koper are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 London
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
🇸🇮 Koper
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 London | 🇸🇮 Koper |
|---|---|---|
| Local time | 21:20 | 22:20 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | British Summer Time | Central European Summer Time |
| UTC offset | UTC+1 | UTC+2 |
| Offset from London | — | +1 h |
| IANA zone | Europe/London | Europe/Ljubljana |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:31 | 07:27 |
| Sunset | 18:01 | 18:15 |
| Daylight | 10 h 29 min | 10 h 48 min |
| People on this clock | 8,908,083 | 24,900 |
Compare London with another city
More comparisons with London: the time zones next to it and the far side of the clock.
Big time differences
London and Koper: common questions
What is the time difference between London and Koper?
Koper is 1 hour ahead: it uses UTC+2, while London is on UTC+1.
What time is it in Koper at the start of the working day in London?
The working day in London starts at 9:00 AM; in Koper it is 10:00 AM at that moment.
What time is it in Koper when it is 6:00 PM in London?
When it is 6:00 PM in London, it is 7:00 PM in Koper.
When do working hours in London and in Koper overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in London, which is 10:00 AM to 6:00 PM in Koper.
When is it already the next day in Koper?
From 11:00 PM in London it is already the next day in Koper. The other way round, until 1:00 AM in Koper it is still the previous day in London.
Does the time difference between London and Koper change?
No. The clocks in London and in Koper change on the same dates, so the difference stays 1 hour.
