Bulgaria to Istanbul: time difference
Istanbul is 1 h ahead of Bulgaria. 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.
Bulgaria 03:58 3:58 AM Istanbul 04:58 4:58 AM You –:–
03:58 3:58 AM
Eastern European Standard Time · UTC+2
☀️ 07:09 · 🌙 17:14
04:58 4:58 AM
Türkiye Standard Time · UTC+3
☀️ 07:42 · 🌙 17:55
·
+1 h
Istanbul is 1 h ahead of Bulgaria.
When you, Bulgaria and Istanbul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇬 Bulgaria
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
🇹🇷 Istanbul
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 | 🇧🇬 Bulgaria | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 03:58 | 04:58 |
| Local date | Saturday, November 7, 2026 | Saturday, November 7, 2026 |
| Time zone | Eastern European Standard Time | Türkiye Standard Time |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Bulgaria | — | +1 h |
| IANA zone | Europe/Sofia | Europe/Istanbul |
| Daylight saving | On standard time → UTC+3, Mar 28, 04:00 | Not observed |
| Sunrise | 07:09 | 07:42 |
| Sunset | 17:14 | 17:55 |
| Daylight | 10 h 5 min | 10 h 12 min |
| People on this clock | 6,795,803 | 15,701,602 |
Compare Bulgaria with another city
More comparisons with Bulgaria: the time zones next to it and the far side of the clock.
Big time differences
Bulgaria and Istanbul: common questions
How far ahead of Bulgaria is Istanbul?
Istanbul is 1 hour ahead of Bulgaria: UTC+3 against UTC+2.
If it is 9:00 AM in Bulgaria, what time is it in Istanbul?
At 9:00 AM in Bulgaria, clocks in Istanbul show 10:00 AM.
What time is it in Istanbul at the end of the working day in Bulgaria?
The working day in Bulgaria ends at 6:00 PM; in Istanbul it is 7:00 PM at that moment.
When do working hours in Bulgaria and in Istanbul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Bulgaria, which is 10:00 AM to 6:00 PM in Istanbul.
From what time in Bulgaria is it tomorrow in Istanbul?
Once it is 11:00 PM in Bulgaria, the date in Istanbul has already changed. Until 1:00 AM in Istanbul, it is still the previous day in Bulgaria.
Does the time difference between Bulgaria and Istanbul change?
Yes. The clocks change only in Bulgaria. From March 28, 2027, Istanbul and Bulgaria will have the same time.
