Kościan to Istanbul time converter

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

Kościan CEST

Tuesday, October 20, 2026

Istanbul TRT

Tuesday, October 20, 2026

Kościan
Poland
Tue, Oct 20
CESTUTC+2
Istanbul
Turkey
Tue, Oct 20
TRTUTC+3+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Kościan to Istanbul conversion table

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

KościanIstanbul
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 Kościan (10:00 AM – 6:00 PM in Istanbul).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: +1h
  • Oct 25, 2026 – Mar 28, 2027: +2h
  • Mar 28, 2027 – Oct 20, 2027: +1h

Distance

Kościan and Istanbul are 1,545 km (960 miles) apart in a straight line.

More conversions

Istanbul to KościanKościan to New YorkKościan to LondonKościan to Los AngelesKościan to ChicagoKościan to TorontoKościan to São PauloKościan to ParisKościan to BerlinKościan to MoscowKościan to DubaiKościan to New DelhiKościan 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 Kościan and Istanbul?

Istanbul is 1 hour ahead of Kościan.

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

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

When is the best time to call Istanbul from Kościan?

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

Does the time difference between Kościan 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.