Bonn to Chicago time converter

Chicago is 7 hours behind Bonn. When it is 9:00 AM in Bonn, it is 2:00 AM in Chicago.

Bonn CEST

Saturday, October 17, 2026

Chicago CDT

Saturday, October 17, 2026

Bonn
Germany
Sat, Oct 17
CESTUTC+2
Chicago
Illinois, United States
Sat, Oct 17
CDTUTC-5-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Bonn to Chicago conversion table

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

BonnChicago
12:00 AM5:00 PM−1 day
1:00 AM6:00 PM−1 day
2:00 AM7:00 PM−1 day
3:00 AM8:00 PM−1 day
4:00 AM9:00 PM−1 day
5:00 AM10:00 PM−1 day
6:00 AM11:00 PM−1 day
7:00 AM12:00 AM
8:00 AM1:00 AM
9:00 AM2:00 AM
10:00 AM3:00 AM
11:00 AM4:00 AM
12:00 PM5:00 AM
1:00 PM6:00 AM
2:00 PM7:00 AM
3:00 PM8:00 AM
4:00 PM9:00 AM
5:00 PM10:00 AM
6:00 PM11:00 AM
7:00 PM12:00 PM
8:00 PM1:00 PM
9:00 PM2:00 PM
10:00 PM3:00 PM
11:00 PM4:00 PM

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Bonn (9:00 AM – 11:00 AM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Bonn and Chicago switch clocks on different dates:

  • Oct 17, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Nov 1, 2026: -6h
  • Nov 1, 2026 – Mar 14, 2027: -7h
  • Mar 14, 2027 – Mar 28, 2027: -6h
  • Mar 28, 2027 – Oct 17, 2027: -7h

Distance

Bonn and Chicago are 6,836 km (4,248 miles) apart in a straight line.

More conversions

Chicago to BonnBonn to New YorkBonn to LondonBonn to Los AngelesBonn to TorontoBonn to São PauloBonn to ParisBonn to BerlinBonn to MoscowBonn to DubaiBonn to New DelhiBonn to BangkokBonn to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Bonn and Chicago?

Chicago is 7 hours behind Bonn.

What time is it in Chicago when it is 9 AM in Bonn?

When it is 9:00 AM in Bonn, it is 2:00 AM in Chicago.

When is the best time to call Chicago from Bonn?

Both sides are at work from 4:00 PM – 6:00 PM in Bonn (9:00 AM – 11:00 AM in Chicago).

Does the time difference between Bonn and Chicago change?

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