Istanbul to Borna time converter
Borna is 1 hour behind Istanbul. When it is 9:00 AM in Istanbul, it is 8:00 AM in Borna.
10:03 AM in Istanbul, Monday, October 19, 2026
Istanbul to Borna conversion table
Every hour of today in Istanbul and the matching time in Borna. Light rows are typical working hours (9:00–18:00).
| Istanbul | Borna |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in Istanbul (9:00 AM – 5:00 PM in Borna).
Daylight saving time and the difference
The difference changes during the year because Istanbul and Borna switch clocks on different dates:
- Oct 19, 2026 – Oct 25, 2026: -1h
- Oct 25, 2026 – Mar 28, 2027: -2h
- Mar 28, 2027 – Oct 19, 2027: -1h
Distance
Istanbul and Borna are 1,689 km (1,049 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Istanbul and Borna?
Borna is 1 hour behind Istanbul.
What time is it in Borna when it is 9 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 8:00 AM in Borna.
When is the best time to call Borna from Istanbul?
Both sides are at work from 10:00 AM – 6:00 PM in Istanbul (9:00 AM – 5:00 PM in Borna).
Does the time difference between Istanbul and Borna change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.