Barcelona to Slough: time difference
Slough is 1 h behind Barcelona. 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.
Barcelona 16:25 4:25 PM Slough 15:25 3:25 PM You –:–
16:25 4:25 PM
Central European Summer Time · UTC+2
☀️ 08:08 · 🌙 19:06
15:25 3:25 PM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 18:03
·
−1 h
Slough is 1 h behind Barcelona.
When you, Barcelona and Slough are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇪🇸 Barcelona
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
🇬🇧 Slough
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 | 🇪🇸 Barcelona | 🇬🇧 Slough |
|---|---|---|
| Local time | 16:25 | 15:25 |
| 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 Barcelona | — | −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 | 07:33 |
| Sunset | 19:06 | 18:03 |
| Daylight | 10 h 58 min | 10 h 29 min |
| People on this clock | 1,660,122 | 164,455 |
Compare Barcelona with another city
More comparisons with Barcelona: the time zones next to it and the far side of the clock.
Big time differences
Barcelona and Slough: common questions
How many hours behind Barcelona is Slough?
The clocks in Slough are 1 hour behind those in Barcelona (UTC+1 and UTC+2).
What time is it in Slough when it is 9:00 AM in Barcelona?
When it is 9:00 AM in Barcelona, it is 8:00 AM in Slough.
What time is it in Slough when it is 6:00 PM in Barcelona?
When it is 6:00 PM in Barcelona, it is 5:00 PM in Slough.
When is a good time to call Slough from Barcelona?
Between 10:00 AM and 6:00 PM in Barcelona – that is 9:00 AM to 5:00 PM in Slough – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Slough compared with Barcelona?
The new day starts in Slough later: until 1:00 AM in Barcelona, it is still the previous day there. From 11:00 PM in Slough, Barcelona is already on the next day.
Does the time difference between Barcelona and Slough change?
No. The clocks in Barcelona and in Slough change on the same dates, so the difference stays 1 hour.
