Slough to Sofia: time difference
Sofia is 2 h ahead of Slough. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Slough 15:24 3:24 PM Sofia 17:24 5:24 PM You –:–
15:24 3:24 PM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 18:03
17:24 5:24 PM
Eastern European Summer Time · UTC+3
☀️ 07:45 · 🌙 18:40
·
+2 h
Sofia is 2 h ahead of Slough.
When you, Slough and Sofia 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
🇧🇬 Sofia
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 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 Slough | 🇧🇬 Sofia |
|---|---|---|
| Local time | 15:24 | 17:24 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | British Summer Time | Eastern European Summer Time |
| UTC offset | UTC+1 | UTC+3 |
| Offset from Slough | — | +2 h |
| IANA zone | Europe/London | Europe/Sofia |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 07:33 | 07:45 |
| Sunset | 18:03 | 18:40 |
| Daylight | 10 h 29 min | 10 h 55 min |
| People on this clock | 164,455 | 1,286,383 |
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 Sofia: common questions
How many hours ahead of Slough is Sofia?
The clocks in Sofia are 2 hours ahead of those in Slough (UTC+3 and UTC+1).
If it is 9:00 AM in Slough, what time is it in Sofia?
At 9:00 AM in Slough, clocks in Sofia show 11:00 AM.
What time is it in Sofia at the end of the working day in Slough?
The working day in Slough ends at 6:00 PM; in Sofia it is 8:00 PM at that moment.
Is there a time when both Slough and Sofia are at work?
Yes: from 9:00 AM to 4:00 PM in Slough (11:00 AM to 6:00 PM in Sofia), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Sofia compared with Slough?
The new day starts in Sofia earlier: at 10:00 PM in Slough it is already midnight there. Until 2:00 AM in Sofia, Slough is still on the previous day.
Is the time difference between Slough and Sofia the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 2 hours.
