🇪🇸 Castelldefels, Spain
50
- Central European Summer Time
- UTC+2
- Daytime
☀️ 08:08 · 🌙 19:07 · 10 h 58 min
Castelldefels to London: time difference
London is 1 h behind Castelldefels. 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.
Castelldefels 11:24 11:24 AM London 10:24 10:24 AM You –:–
11:24 11:24 AM
Central European Summer Time · UTC+2
☀️ 08:08 · 🌙 19:07
10:24 10:24 AM
British Summer Time · UTC+1
☀️ 07:31 · 🌙 18:01
·
−1 h
London is 1 h behind Castelldefels.
When you, Castelldefels 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
🇪🇸 Castelldefels
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
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 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇪🇸 Castelldefels | 🇬🇧 London |
|---|---|---|
| Local time | 11:24 | 10:24 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central European Summer Time | British Summer Time |
| UTC offset | UTC+2 | UTC+1 |
| Offset from Castelldefels | — | −1 h |
| IANA zone | Europe/Madrid | Europe/London |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 08:08 | 07:31 |
| Sunset | 19:07 | 18:01 |
| Daylight | 10 h 58 min | 10 h 29 min |
| People on this clock | 68,427 | 8,908,083 |
Compare Castelldefels with another city
More comparisons with Castelldefels: the time zones next to it and the far side of the clock.
Big time differences
Castelldefels and London: common questions
How far behind Castelldefels is London?
London is 1 hour behind Castelldefels: UTC+1 against UTC+2.
If it is 9:00 AM in Castelldefels, what time is it in London?
At 9:00 AM in Castelldefels, clocks in London show 8:00 AM.
What time is it in London when it is 6:00 PM in Castelldefels?
When it is 6:00 PM in Castelldefels, it is 5:00 PM in London.
When is a good time to call London from Castelldefels?
Between 10:00 AM and 6:00 PM in Castelldefels – that is 9:00 AM to 5:00 PM in London – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in London compared with Castelldefels?
The new day starts in London later: until 1:00 AM in Castelldefels, it is still the previous day there. From 11:00 PM in London, Castelldefels is already on the next day.
Does the time difference between Castelldefels and London change?
No. The clocks in Castelldefels and in London change on the same dates, so the difference stays 1 hour.
