Chicago to Ciudad Madero time converter

Ciudad Madero is 1 hour behind Chicago. When it is 9:00 AM in Chicago, it is 8:00 AM in Ciudad Madero.

Chicago CDT

Tuesday, October 20, 2026

Ciudad Madero CST

Tuesday, October 20, 2026

Illinois, United States
Tue, Oct 20
CDTUTC-5
Tamaulipas, Mexico
Tue, Oct 20
CSTUTC-6-1h
Finding your time zone…

9:27 PM in Chicago, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Chicago to Ciudad Madero conversion table

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

ChicagoCiudad Madero
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 Chicago (9:00 AM – 5:00 PM in Ciudad Madero).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Mar 14, 2027: ±0
  • Mar 14, 2027 – Oct 20, 2027: -1h

Distance

Chicago and Ciudad Madero are 2,377 km (1,477 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chicago and Ciudad Madero?

Ciudad Madero is 1 hour behind Chicago.

What time is it in Ciudad Madero when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 8:00 AM in Ciudad Madero.

When is the best time to call Ciudad Madero from Chicago?

Both sides are at work from 10:00 AM – 6:00 PM in Chicago (9:00 AM – 5:00 PM in Ciudad Madero).

Does the time difference between Chicago and Ciudad Madero change?

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