Rio Tinto to Chicago time converter

Chicago is 6 hours behind Rio Tinto. When it is 9:00 AM in Rio Tinto, it is 3:00 AM in Chicago.

Rio Tinto WEST

Friday, October 16, 2026

Chicago CDT

Friday, October 16, 2026

Rio Tinto
Portugal
Fri, Oct 16
WESTUTC+1
Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio Tinto to Chicago conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Rio Tinto (9:00 AM – 12:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 16, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -6h
  • Mar 14, 2027 – Mar 28, 2027: -5h
  • Mar 28, 2027 – Oct 16, 2027: -6h

Distance

Rio Tinto and Chicago are 6,332 km (3,935 miles) apart in a straight line.

More conversions

Chicago to Rio TintoRio Tinto to New YorkRio Tinto to LondonRio Tinto to Los AngelesRio Tinto to TorontoRio Tinto to São PauloRio Tinto to ParisRio Tinto to BerlinRio Tinto to MoscowRio Tinto to DubaiRio Tinto to New DelhiRio Tinto to BangkokRio Tinto 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 Rio Tinto and Chicago?

Chicago is 6 hours behind Rio Tinto.

What time is it in Chicago when it is 9 AM in Rio Tinto?

When it is 9:00 AM in Rio Tinto, it is 3:00 AM in Chicago.

When is the best time to call Chicago from Rio Tinto?

Both sides are at work from 3:00 PM – 6:00 PM in Rio Tinto (9:00 AM – 12:00 PM in Chicago).

Does the time difference between Rio Tinto 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.