Sofia to Zonguldak: time difference
Zonguldak is 1 h ahead of Sofia. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sofia 13:10 1:10 PM Zonguldak 14:10 2:10 PM You –:–
13:10 1:10 PM
Eastern European Standard Time · UTC+2
☀️ 07:07 · 🌙 17:15
14:10 2:10 PM
Türkiye Standard Time · UTC+3
☀️ 07:31 · 🌙 17:44
·
+1 h
Zonguldak is 1 h ahead of Sofia.
When you, Sofia and Zonguldak 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
🇹🇷 Zonguldak
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 | 🇧🇬 Sofia | 🇹🇷 Zonguldak |
|---|---|---|
| Local time | 13:10 | 14:10 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern European Standard Time | Türkiye Standard Time |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Sofia | — | +1 h |
| IANA zone | Europe/Sofia | Europe/Istanbul |
| Daylight saving | On standard time → UTC+3, Mar 28, 04:00 | Not observed |
| Sunrise | 07:07 | 07:31 |
| Sunset | 17:15 | 17:44 |
| Daylight | 10 h 8 min | 10 h 13 min |
| People on this clock | 1,286,383 | 120,395 |
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 Zonguldak: common questions
What is the time difference between Sofia and Zonguldak?
Zonguldak is 1 hour ahead: it uses UTC+3, while Sofia is on UTC+2.
What time is it in Zonguldak when it is 9:00 AM in Sofia?
When it is 9:00 AM in Sofia, it is 10:00 AM in Zonguldak.
If it is 6:00 PM in Sofia, what time is it in Zonguldak?
At 6:00 PM in Sofia, clocks in Zonguldak show 7:00 PM.
When do working hours in Sofia and in Zonguldak overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Sofia, which is 10:00 AM to 6:00 PM in Zonguldak.
When is it already the next day in Zonguldak?
From 11:00 PM in Sofia it is already the next day in Zonguldak. The other way round, until 1:00 AM in Zonguldak it is still the previous day in Sofia.
Is the time difference between Sofia and Zonguldak the same all year?
No. Only Sofia switches to summer time, so the gap changes twice a year. From March 28, 2027, Zonguldak and Sofia will have the same time.
