Kongsberg to Istanbul: time difference
Istanbul is 1 h ahead of Kongsberg. 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.
Kongsberg 15:40 3:40 PM Istanbul 16:40 4:40 PM You –:–
15:40 3:40 PM
Central European Summer Time · UTC+2
☀️ 08:04 · 🌙 18:10
16:40 4:40 PM
GMT+03:00 · UTC+3
☀️ 07:18 · 🌙 18:22
·
+1 h
Istanbul is 1 h ahead of Kongsberg.
When you, Kongsberg 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
🇳🇴 Kongsberg
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 | 🇳🇴 Kongsberg | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 15:40 | 16:40 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central European Summer Time | GMT+03:00 |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Kongsberg | — | +1 h |
| IANA zone | Europe/Oslo | Europe/Istanbul |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 08:04 | 07:18 |
| Sunset | 18:10 | 18:22 |
| Daylight | 10 h 6 min | 11 h 5 min |
| People on this clock | 28,878 | 15,701,602 |
Compare Kongsberg with another city
More comparisons with Kongsberg: the time zones next to it and the far side of the clock.
Big time differences
Kongsberg and Istanbul: common questions
How many hours ahead of Kongsberg is Istanbul?
The clocks in Istanbul are 1 hour ahead of those in Kongsberg (UTC+3 and UTC+2).
What time is it in Istanbul when it is 9:00 AM in Kongsberg?
When it is 9:00 AM in Kongsberg, it is 10:00 AM in Istanbul.
What time is it in Istanbul at the end of the working day in Kongsberg?
The working day in Kongsberg ends at 6:00 PM; in Istanbul it is 7:00 PM at that moment.
When is a good time to call Istanbul from Kongsberg?
Between 9:00 AM and 5:00 PM in Kongsberg – that is 10:00 AM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Istanbul?
From 11:00 PM in Kongsberg it is already the next day in Istanbul. The other way round, until 1:00 AM in Istanbul it is still the previous day in Kongsberg.
Does the time difference between Kongsberg and Istanbul change?
Yes. The clocks change only in Kongsberg. From October 25, 2026, Istanbul will be 2 hours ahead of Kongsberg.
