Rio de Janeiro to Buffalo Grove time converter

Buffalo Grove is 2 hours behind Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 7:00 AM in Buffalo Grove.

Rio de Janeiro BRT

Wednesday, October 21, 2026

Buffalo Grove CDT

Wednesday, October 21, 2026

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

Rio de Janeiro to Buffalo Grove conversion table

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

Rio de JaneiroBuffalo Grove
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 de Janeiro (9:00 AM – 4:00 PM in Buffalo Grove).

Daylight saving time and the difference

The difference changes during the year because Rio de Janeiro and Buffalo Grove 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

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

More conversions

Buffalo Grove to Rio de JaneiroRio de Janeiro to New YorkRio de Janeiro to LondonRio de Janeiro to Los AngelesRio de Janeiro to ChicagoRio de Janeiro to TorontoRio de Janeiro to São PauloRio de Janeiro to ParisRio de Janeiro to BerlinRio de Janeiro to MoscowRio de Janeiro to DubaiRio de Janeiro to New DelhiRio de Janeiro to Bangkok
New York to Buffalo GroveLondon to Buffalo GroveLos Angeles to Buffalo GroveChicago to Buffalo GroveToronto to Buffalo GroveSão Paulo to Buffalo GroveParis to Buffalo GroveBerlin to Buffalo GroveMoscow to Buffalo GroveDubai to Buffalo GroveNew Delhi to Buffalo GroveBangkok to Buffalo Grove

Questions and answers

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

Buffalo Grove is 2 hours behind Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 7:00 AM in Buffalo Grove.

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

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

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

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