Rio das Ostras to Chicago time converter

Chicago is 2 hours behind Rio das Ostras. When it is 9:00 AM in Rio das Ostras, it is 7:00 AM in Chicago.

Rio das Ostras BRT

Tuesday, October 20, 2026

Chicago CDT

Monday, October 19, 2026

Rio das Ostras
Rio de Janeiro, Brazil
Tue, Oct 20
BRTUTC-3
Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5-2h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio das Ostras to Chicago conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: -2h
  • Nov 1, 2026 – Mar 14, 2027: -3h
  • Mar 14, 2027 – Oct 20, 2027: -2h

Distance

Rio das Ostras and Chicago are 8,562 km (5,320 miles) apart in a straight line.

More conversions

Chicago to Rio das OstrasRio das Ostras to New YorkRio das Ostras to LondonRio das Ostras to Los AngelesRio das Ostras to TorontoRio das Ostras to São PauloRio das Ostras to ParisRio das Ostras to BerlinRio das Ostras to MoscowRio das Ostras to DubaiRio das Ostras to New DelhiRio das Ostras to BangkokRio das Ostras 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 das Ostras and Chicago?

Chicago is 2 hours behind Rio das Ostras.

What time is it in Chicago when it is 9 AM in Rio das Ostras?

When it is 9:00 AM in Rio das Ostras, it is 7:00 AM in Chicago.

When is the best time to call Chicago from Rio das Ostras?

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

Does the time difference between Rio das Ostras 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.