Oslo to Istanbul time converter

Istanbul is 1 hour ahead of Oslo. When it is 9:00 AM in Oslo, it is 10:00 AM in Istanbul.

Oslo CEST

Monday, October 19, 2026

Istanbul TRT

Monday, October 19, 2026

Oslo
Norway
Mon, Oct 19
CESTUTC+2
Istanbul
Turkey
Mon, Oct 19
TRTUTC+3+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Oslo to Istanbul conversion table

Every hour of today in Oslo and the matching time in Istanbul. Light rows are typical working hours (9:00–18:00).

OsloIstanbul
12:00 AM1:00 AM
1:00 AM2:00 AM
2:00 AM3:00 AM
3:00 AM4:00 AM
4:00 AM5:00 AM
5:00 AM6:00 AM
6:00 AM7:00 AM
7:00 AM8:00 AM
8:00 AM9:00 AM
9:00 AM10:00 AM
10:00 AM11:00 AM
11:00 AM12:00 PM
12:00 PM1:00 PM
1:00 PM2:00 PM
2:00 PM3:00 PM
3:00 PM4:00 PM
4:00 PM5:00 PM
5:00 PM6:00 PM
6:00 PM7:00 PM
7:00 PM8:00 PM
8:00 PM9:00 PM
9:00 PM10:00 PM
10:00 PM11:00 PM
11:00 PM12:00 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 5:00 PM in Oslo (10:00 AM – 6:00 PM in Istanbul).

Daylight saving time and the difference

The difference changes during the year because Oslo and Istanbul 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

Oslo and Istanbul are 2,447 km (1,520 miles) apart in a straight line.

More conversions

Istanbul to OsloOslo to New YorkOslo to LondonOslo to Los AngelesOslo to ChicagoOslo to TorontoOslo to São PauloOslo to ParisOslo to BerlinOslo to MoscowOslo to DubaiOslo to New DelhiOslo to Bangkok
New York to IstanbulLondon to IstanbulLos Angeles to IstanbulChicago to IstanbulToronto to IstanbulSão Paulo to IstanbulParis to IstanbulBerlin to IstanbulMoscow to IstanbulDubai to IstanbulNew Delhi to IstanbulBangkok to Istanbul

Questions and answers

What is the time difference between Oslo and Istanbul?

Istanbul is 1 hour ahead of Oslo.

What time is it in Istanbul when it is 9 AM in Oslo?

When it is 9:00 AM in Oslo, it is 10:00 AM in Istanbul.

When is the best time to call Istanbul from Oslo?

Both sides are at work from 9:00 AM – 5:00 PM in Oslo (10:00 AM – 6:00 PM in Istanbul).

Does the time difference between Oslo and Istanbul change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.