Istanbul to Bielefeld time converter

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

Istanbul TRT

Tuesday, October 20, 2026

Bielefeld CEST

Tuesday, October 20, 2026

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

Istanbul to Bielefeld conversion table

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

IstanbulBielefeld
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 Bielefeld).

Daylight saving time and the difference

The difference changes during the year because Istanbul and Bielefeld 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

Istanbul and Bielefeld are 1,974 km (1,227 miles) apart in a straight line.

More conversions

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New York to BielefeldLondon to BielefeldLos Angeles to BielefeldChicago to BielefeldToronto to BielefeldSão Paulo to BielefeldParis to BielefeldBerlin to BielefeldMoscow to BielefeldDubai to BielefeldNew Delhi to BielefeldBangkok to Bielefeld

Questions and answers

What is the time difference between Istanbul and Bielefeld?

Bielefeld is 1 hour behind Istanbul.

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

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

When is the best time to call Bielefeld from Istanbul?

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

Does the time difference between Istanbul and Bielefeld change?

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