Chicago to Rio Tinto time converter

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

Chicago CDT

Sunday, October 18, 2026

Rio Tinto WEST

Monday, October 19, 2026

Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5
Rio Tinto
Portugal
Mon, Oct 19
WESTUTC+1+6h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Rio Tinto conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 2026 – Oct 24, 2026: +6h
  • Oct 24, 2026 – Nov 1, 2026: +5h
  • Nov 1, 2026 – Mar 14, 2027: +6h
  • Mar 14, 2027 – Mar 27, 2027: +5h
  • Mar 27, 2027 – Oct 18, 2027: +6h

Distance

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

More conversions

Rio Tinto 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 Rio TintoLondon to Rio TintoLos Angeles to Rio TintoToronto to Rio TintoSão Paulo to Rio TintoParis to Rio TintoBerlin to Rio TintoMoscow to Rio TintoDubai to Rio TintoNew Delhi to Rio TintoBangkok to Rio TintoSingapore to Rio Tinto

Questions and answers

What is the time difference between Chicago and Rio Tinto?

Rio Tinto is 6 hours ahead of Chicago.

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

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

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

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

Does the time difference between Chicago and Rio Tinto change?

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