Istanbul to Sliven: time difference
Sliven is 1 h behind Istanbul. 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.
Istanbul 12:34 12:34 PM Sliven 11:34 11:34 AM You –:–
12:34 12:34 PM
Türkiye Standard Time · UTC+3
☀️ 07:41 · 🌙 17:56
11:34 11:34 AM
Eastern European Standard Time · UTC+2
☀️ 06:55 · 🌙 17:03
·
−1 h
Sliven is 1 h behind Istanbul.
When you, Istanbul and Sliven are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
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
🇧🇬 Sliven
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 | 🇹🇷 Istanbul | 🇧🇬 Sliven |
|---|---|---|
| Local time | 12:34 | 11:34 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Türkiye Standard Time | Eastern European Standard Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Istanbul | — | −1 h |
| IANA zone | Europe/Istanbul | Europe/Sofia |
| Daylight saving | Not observed | On standard time → UTC+3, Mar 28, 04:00 |
| Sunrise | 07:41 | 06:55 |
| Sunset | 17:56 | 17:03 |
| Daylight | 10 h 15 min | 10 h 8 min |
| People on this clock | 15,701,602 | 95,806 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Sliven: common questions
How far behind Istanbul is Sliven?
Sliven is 1 hour behind Istanbul: UTC+2 against UTC+3.
If it is 9:00 AM in Istanbul, what time is it in Sliven?
At 9:00 AM in Istanbul, clocks in Sliven show 8:00 AM.
If it is 6:00 PM in Istanbul, what time is it in Sliven?
At 6:00 PM in Istanbul, clocks in Sliven show 5:00 PM.
Is there a time when both Istanbul and Sliven are at work?
Yes: from 10:00 AM to 6:00 PM in Istanbul (9:00 AM to 5:00 PM in Sliven), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Sliven?
Until 1:00 AM in Istanbul it is still the previous day in Sliven. The other way round, from 11:00 PM in Sliven it is already the next day in Istanbul.
Does the time gap between Istanbul and Sliven change during the year?
Yes – daylight saving time is used in Sliven but not in Istanbul. From March 28, 2027, Sliven and Istanbul will have the same time.
