Sofia to Olten: time difference
Olten is 1 h behind Sofia. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇨🇭 Olten, Switzerland
52
- Central European Summer Time
- UTC+2
- Daytime
☀️ 07:54 · 🌙 18:34 · 10 h 39 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sofia 17:13 5:13 PM Olten 16:13 4:13 PM You –:–
17:13 5:13 PM
Eastern European Summer Time · UTC+3
☀️ 07:46 · 🌙 18:38
16:13 4:13 PM
Central European Summer Time · UTC+2
☀️ 07:54 · 🌙 18:34
·
−1 h
Olten is 1 h behind Sofia.
When you, Sofia and Olten are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇬 Sofia
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
🇨🇭 Olten
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 | 🇧🇬 Sofia | 🇨🇭 Olten |
|---|---|---|
| Local time | 17:13 | 16:13 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern European Summer Time | Central European Summer Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Sofia | — | −1 h |
| IANA zone | Europe/Sofia | Europe/Zurich |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:46 | 07:54 |
| Sunset | 18:38 | 18:34 |
| Daylight | 10 h 52 min | 10 h 39 min |
| People on this clock | 1,286,383 | 17,280 |
Compare Sofia with another city
More comparisons with Sofia: the time zones next to it and the far side of the clock.
Big time differences
Sofia and Olten: common questions
How far behind Sofia is Olten?
Olten is 1 hour behind Sofia: UTC+2 against UTC+3.
What time is it in Olten at the start of the working day in Sofia?
The working day in Sofia starts at 9:00 AM; in Olten it is 8:00 AM at that moment.
What time is it in Olten when it is 6:00 PM in Sofia?
When it is 6:00 PM in Sofia, it is 5:00 PM in Olten.
Is there a time when both Sofia and Olten are at work?
Yes: from 10:00 AM to 6:00 PM in Sofia (9:00 AM to 5:00 PM in Olten), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Olten?
Until 1:00 AM in Sofia it is still the previous day in Olten. The other way round, from 11:00 PM in Olten it is already the next day in Sofia.
Is the time difference between Sofia and Olten the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
