Chicago to Aachen time converter

Aachen is 7 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 4:00 PM in Aachen.

Chicago CDT

Saturday, October 17, 2026

Aachen CEST

Saturday, October 17, 2026

Illinois, United States
Sat, Oct 17
CDTUTC-5
Germany
Sat, Oct 17
CESTUTC+2+7h
Finding your time zone…

1:39 PM in Chicago, Saturday, October 17, 2026

Shared working hours (9:00–18:00)

Chicago to Aachen conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 17, 2026 – Oct 24, 2026: +7h
  • Oct 24, 2026 – Nov 1, 2026: +6h
  • Nov 1, 2026 – Mar 14, 2027: +7h
  • Mar 14, 2027 – Mar 27, 2027: +6h
  • Mar 27, 2027 – Oct 17, 2027: +7h

Distance

Chicago and Aachen are 6,773 km (4,209 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chicago and Aachen?

Aachen is 7 hours ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 4:00 PM in Aachen.

When is the best time to call Aachen from Chicago?

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

Does the time difference between Chicago and Aachen change?

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