Koło to Istanbul time converter

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

Koło CEST

Tuesday, October 20, 2026

Istanbul TRT

Tuesday, October 20, 2026

Koło
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)

Koło to Istanbul conversion table

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

KołoIstanbul
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 Koło (10:00 AM – 6:00 PM in Istanbul).

Daylight saving time and the difference

The difference changes during the year because Koło 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

Koło and Istanbul are 1,469 km (913 miles) apart in a straight line.

More conversions

Istanbul to KołoKoło to New YorkKoło to LondonKoło to Los AngelesKoło to ChicagoKoło to TorontoKoło to São PauloKoło to ParisKoło to BerlinKoło to MoscowKoło to DubaiKoło to New DelhiKoło 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 Koło and Istanbul?

Istanbul is 1 hour ahead of Koło.

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

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

When is the best time to call Istanbul from Koło?

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

Does the time difference between Koło 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.