🇧🇬 Sofia, Bulgaria
11
- Eastern European Standard Time
- UTC+2
- Golden hour
☀️ 06:52 · 🌙 17:31 · 10 h 39 min
Sofia to Kastamonu: time difference
Kastamonu 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 07:38 7:38 AM Kastamonu 08:38 8:38 AM You –:–
07:38 7:38 AM
Eastern European Standard Time · UTC+2
☀️ 06:52 · 🌙 17:31
08:38 8:38 AM
GMT+03:00 · UTC+3
☀️ 07:08 · 🌙 17:51
·
+1 h
Kastamonu is 1 h ahead of Sofia.
When you, Sofia and Kastamonu 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
🇹🇷 Kastamonu
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 | 🇹🇷 Kastamonu |
|---|---|---|
| Local time | 07:38 | 08:38 |
| Local date | Sunday, October 25, 2026 | Sunday, October 25, 2026 |
| Time zone | Eastern European Standard Time | GMT+03:00 |
| 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 | 06:52 | 07:08 |
| Sunset | 17:31 | 17:51 |
| Daylight | 10 h 39 min | 10 h 43 min |
| People on this clock | 1,286,383 | 152,541 |
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 Kastamonu: common questions
How far ahead of Sofia is Kastamonu?
Kastamonu is 1 hour ahead of Sofia: UTC+3 against UTC+2.
What time is it in Kastamonu at the start of the working day in Sofia?
The working day in Sofia starts at 9:00 AM; in Kastamonu it is 10:00 AM at that moment.
If it is 6:00 PM in Sofia, what time is it in Kastamonu?
At 6:00 PM in Sofia, clocks in Kastamonu show 7:00 PM.
When do working hours in Sofia and in Kastamonu 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 Kastamonu.
When does the date change in Kastamonu compared with Sofia?
The new day starts in Kastamonu earlier: at 11:00 PM in Sofia it is already midnight there. Until 1:00 AM in Kastamonu, Sofia is still on the previous day.
Does the time difference between Sofia and Kastamonu change?
Yes. The clocks change only in Sofia. From March 28, 2027, Kastamonu and Sofia will have the same time.
