Chicago to Altena time converter

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

Chicago CDT

Sunday, October 18, 2026

Altena CEST

Sunday, October 18, 2026

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

Chicago to Altena conversion table

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

ChicagoAltena
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 Altena).

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: +7h

Distance

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

More conversions

Altena 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 AltenaLondon to AltenaLos Angeles to AltenaToronto to AltenaSão Paulo to AltenaParis to AltenaBerlin to AltenaMoscow to AltenaDubai to AltenaNew Delhi to AltenaBangkok to AltenaSingapore to Altena

Questions and answers

What is the time difference between Chicago and Altena?

Altena is 7 hours ahead of Chicago.

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

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

When is the best time to call Altena from Chicago?

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

Does the time difference between Chicago and Altena change?

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