Istanbul to Ostrołęka time converter

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

Istanbul TRT

Monday, October 19, 2026

Ostrołęka CEST

Monday, October 19, 2026

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

Istanbul to Ostrołęka conversion table

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

IstanbulOstrołęka
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 Ostrołęka).

Daylight saving time and the difference

The difference changes during the year because Istanbul and Ostrołęka 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 Ostrołęka are 1,452 km (902 miles) apart in a straight line.

More conversions

Ostrołęka 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 OstrołękaLondon to OstrołękaLos Angeles to OstrołękaChicago to OstrołękaToronto to OstrołękaSão Paulo to OstrołękaParis to OstrołękaBerlin to OstrołękaMoscow to OstrołękaDubai to OstrołękaNew Delhi to OstrołękaBangkok to Ostrołęka

Questions and answers

What is the time difference between Istanbul and Ostrołęka?

Ostrołęka is 1 hour behind Istanbul.

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

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

When is the best time to call Ostrołęka from Istanbul?

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

Does the time difference between Istanbul and Ostrołęka change?

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