Istanbul to Bulgaria: time difference

Bulgaria is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.

🇹🇷 Istanbul, Turkey

25

11:30 PM · Friday, November 6, 2026

  • Türkiye Standard Time
  • UTC+3
  • Night

☀️ 07:41 · 🌙 17:56 · 10 h 15 min

🇧🇬 Bulgaria

25

10:30 PM · Friday, November 6, 2026

  • Eastern European Standard Time
  • UTC+2
  • Night

☀️ 07:07 · 🌙 17:15 · 10 h 8 min

−1 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Istanbul 23:30 11:30 PM Bulgaria 22:30 10:30 PM
Istanbul 23:30 11:30 PM Bulgaria 22:30 10:30 PM You –:–
🇹🇷 Istanbul

23:30 11:30 PM

Türkiye Standard Time · UTC+3

☀️ 07:41 · 🌙 17:56

🇧🇬 Bulgaria

22:30 10:30 PM

Eastern European Standard Time · UTC+2

☀️ 07:07 · 🌙 17:15

⇄ Difference

−1 h

Bulgaria is 1 h behind Istanbul.

When you, Istanbul and Bulgaria 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
🇧🇬 Bulgaria
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
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇹🇷 Istanbul 🇧🇬 Bulgaria
Local time 23:30 22:30
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 07:07
Sunset 17:56 17:15
Daylight 10 h 15 min 10 h 8 min
People on this clock 15,701,602 6,795,803

Compare Istanbul with another city

More comparisons with Istanbul: the time zones next to it and the far side of the clock.

Istanbul and Bulgaria: common questions

How far behind Istanbul is Bulgaria?
Bulgaria is 1 hour behind Istanbul: UTC+2 against UTC+3.
What time is it in Bulgaria at the start of the working day in Istanbul?
The working day in Istanbul starts at 9:00 AM; in Bulgaria it is 8:00 AM at that moment.
What time is it in Bulgaria when it is 6:00 PM in Istanbul?
When it is 6:00 PM in Istanbul, it is 5:00 PM in Bulgaria.
When is a good time to call Bulgaria from Istanbul?
Between 10:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 5:00 PM in Bulgaria – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Bulgaria?
Until 1:00 AM in Istanbul it is still the previous day in Bulgaria. The other way round, from 11:00 PM in Bulgaria it is already the next day in Istanbul.
Does the time gap between Istanbul and Bulgaria change during the year?
Yes – daylight saving time is used in Bulgaria but not in Istanbul. From March 28, 2027, Bulgaria and Istanbul will have the same time.
Show times on the 12-hour clock, temperatures in °F and distances in miles?