Slough to Barcelona: time difference
Barcelona is 1 h ahead of Slough. 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.
Slough 10:47 10:47 AM Barcelona 11:47 11:47 AM You –:–
10:47 10:47 AM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 18:03
11:47 11:47 AM
Central European Summer Time · UTC+2
☀️ 08:08 · 🌙 19:06
·
+1 h
Barcelona is 1 h ahead of Slough.
When you, Slough and Barcelona are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 Slough
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
🇪🇸 Barcelona
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 | 🇬🇧 Slough | 🇪🇸 Barcelona |
|---|---|---|
| Local time | 10:47 | 11:47 |
| 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 Slough | — | +1 h |
| IANA zone | Europe/London | Europe/Madrid |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:33 | 08:08 |
| Sunset | 18:03 | 19:06 |
| Daylight | 10 h 29 min | 10 h 58 min |
| People on this clock | 164,455 | 1,660,122 |
Compare Slough with another city
More comparisons with Slough: the time zones next to it and the far side of the clock.
Big time differences
Slough and Barcelona: common questions
How far ahead of Slough is Barcelona?
Barcelona is 1 hour ahead of Slough: UTC+2 against UTC+1.
If it is 9:00 AM in Slough, what time is it in Barcelona?
At 9:00 AM in Slough, clocks in Barcelona show 10:00 AM.
If it is 6:00 PM in Slough, what time is it in Barcelona?
At 6:00 PM in Slough, clocks in Barcelona show 7:00 PM.
When is a good time to call Barcelona from Slough?
Between 9:00 AM and 5:00 PM in Slough – that is 10:00 AM to 6:00 PM in Barcelona – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Barcelona compared with Slough?
The new day starts in Barcelona earlier: at 11:00 PM in Slough it is already midnight there. Until 1:00 AM in Barcelona, Slough is still on the previous day.
Does the time difference between Slough and Barcelona change?
No. The clocks in Slough and in Barcelona change on the same dates, so the difference stays 1 hour.
