Istanbul to Tønsberg time converter

Tønsberg is 1 hour behind Istanbul. When it is 9:00 AM in Istanbul, it is 8:00 AM in Tønsberg.

Istanbul TRT

Sunday, October 18, 2026

Tønsberg CEST

Sunday, October 18, 2026

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

Istanbul to Tønsberg conversion table

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

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

Daylight saving time and the difference

The difference changes during the year because Istanbul and Tønsberg switch clocks on different dates:

  • Oct 18, 2026 – Oct 25, 2026: -1h
  • Oct 25, 2026 – Mar 28, 2027: -2h
  • Mar 28, 2027 – Oct 18, 2027: -1h

Distance

Istanbul and Tønsberg are 2,404 km (1,494 miles) apart in a straight line.

More conversions

Tønsberg to IstanbulIstanbul to New YorkIstanbul to LondonIstanbul to Los AngelesIstanbul to ChicagoIstanbul to TorontoIstanbul to São PauloIstanbul to ParisIstanbul to BerlinIstanbul to MoscowIstanbul to DubaiIstanbul to New DelhiIstanbul to Bangkok
New York to TønsbergLondon to TønsbergLos Angeles to TønsbergChicago to TønsbergToronto to TønsbergSão Paulo to TønsbergParis to TønsbergBerlin to TønsbergMoscow to TønsbergDubai to TønsbergNew Delhi to TønsbergBangkok to Tønsberg

Questions and answers

What is the time difference between Istanbul and Tønsberg?

Tønsberg is 1 hour behind Istanbul.

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

When it is 9:00 AM in Istanbul, it is 8:00 AM in Tønsberg.

When is the best time to call Tønsberg from Istanbul?

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

Does the time difference between Istanbul and Tønsberg change?

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