Chicago to Aarau time converter

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

Chicago CDT

Friday, October 16, 2026

Aarau CEST

Saturday, October 17, 2026

Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5
Aarau
Switzerland
Sat, Oct 17
CESTUTC+2+7h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Aarau conversion table

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

ChicagoAarau
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 Aarau).

Daylight saving time and the difference

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

  • Oct 16, 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 16, 2027: +7h

Distance

Chicago and Aarau are 7,098 km (4,410 miles) apart in a straight line.

More conversions

Aarau to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to AarauLondon to AarauLos Angeles to AarauToronto to AarauSão Paulo to AarauParis to AarauBerlin to AarauMoscow to AarauDubai to AarauNew Delhi to AarauBangkok to AarauSingapore to Aarau

Questions and answers

What is the time difference between Chicago and Aarau?

Aarau is 7 hours ahead of Chicago.

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

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

When is the best time to call Aarau from Chicago?

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

Does the time difference between Chicago and Aarau change?

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