Buffalo Grove to Rio de Janeiro time converter

Rio de Janeiro is 2 hours ahead of Buffalo Grove. When it is 9:00 AM in Buffalo Grove, it is 11:00 AM in Rio de Janeiro.

Buffalo Grove CDT

Wednesday, October 21, 2026

Rio de Janeiro BRT

Wednesday, October 21, 2026

Buffalo Grove
Illinois, United States
Wed, Oct 21
CDTUTC-5
Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3+2h
Finding your time zone…
Shared working hours (9:00–18:00)

Buffalo Grove to Rio de Janeiro conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 4:00 PM in Buffalo Grove (11:00 AM – 6:00 PM in Rio de Janeiro).

Daylight saving time and the difference

The difference changes during the year because Buffalo Grove and Rio de Janeiro switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +2h
  • Nov 1, 2026 – Mar 14, 2027: +3h
  • Mar 14, 2027 – Oct 21, 2027: +2h

Distance

Buffalo Grove and Rio de Janeiro are 8,571 km (5,326 miles) apart in a straight line.

More conversions

Rio de Janeiro to Buffalo GroveBuffalo Grove to New YorkBuffalo Grove to LondonBuffalo Grove to Los AngelesBuffalo Grove to ChicagoBuffalo Grove to TorontoBuffalo Grove to São PauloBuffalo Grove to ParisBuffalo Grove to BerlinBuffalo Grove to MoscowBuffalo Grove to DubaiBuffalo Grove to New DelhiBuffalo Grove to Bangkok
New York to Rio de JaneiroLondon to Rio de JaneiroLos Angeles to Rio de JaneiroChicago to Rio de JaneiroToronto to Rio de JaneiroSão Paulo to Rio de JaneiroParis to Rio de JaneiroBerlin to Rio de JaneiroMoscow to Rio de JaneiroDubai to Rio de JaneiroNew Delhi to Rio de JaneiroBangkok to Rio de Janeiro

Questions and answers

What is the time difference between Buffalo Grove and Rio de Janeiro?

Rio de Janeiro is 2 hours ahead of Buffalo Grove.

What time is it in Rio de Janeiro when it is 9 AM in Buffalo Grove?

When it is 9:00 AM in Buffalo Grove, it is 11:00 AM in Rio de Janeiro.

When is the best time to call Rio de Janeiro from Buffalo Grove?

Both sides are at work from 9:00 AM – 4:00 PM in Buffalo Grove (11:00 AM – 6:00 PM in Rio de Janeiro).

Does the time difference between Buffalo Grove and Rio de Janeiro change?

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