Istanbul to Cologne time converter

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

Istanbul TRT

Monday, October 19, 2026

Cologne CEST

Monday, October 19, 2026

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

Istanbul to Cologne conversion table

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

IstanbulCologne
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 Cologne).

Daylight saving time and the difference

The difference changes during the year because Istanbul and Cologne 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 Cologne are 2,014 km (1,251 miles) apart in a straight line.

More conversions

Cologne 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 CologneLondon to CologneLos Angeles to CologneChicago to CologneToronto to CologneSão Paulo to CologneParis to CologneBerlin to CologneMoscow to CologneDubai to CologneNew Delhi to CologneBangkok to Cologne

Questions and answers

What is the time difference between Istanbul and Cologne?

Cologne is 1 hour behind Istanbul.

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

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

When is the best time to call Cologne from Istanbul?

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

Does the time difference between Istanbul and Cologne change?

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