Rio de Janeiro to Waterloo time converter

Waterloo is 1 hour behind Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Waterloo.

Rio de Janeiro BRT

Tuesday, October 20, 2026

Waterloo EDT

Tuesday, October 20, 2026

Rio de Janeiro
Brazil
Tue, Oct 20
BRTUTC-3
Waterloo
Ontario, Canada
Tue, Oct 20
EDTUTC-4-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Waterloo conversion table

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

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

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Rio de Janeiro (9:00 AM – 5:00 PM in Waterloo).

Daylight saving time and the difference

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

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

Distance

Rio de Janeiro and Waterloo are 8,307 km (5,162 miles) apart in a straight line.

More conversions

Waterloo 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 WaterlooLondon to WaterlooLos Angeles to WaterlooChicago to WaterlooToronto to WaterlooSão Paulo to WaterlooParis to WaterlooBerlin to WaterlooMoscow to WaterlooDubai to WaterlooNew Delhi to WaterlooBangkok to Waterloo

Questions and answers

What is the time difference between Rio de Janeiro and Waterloo?

Waterloo is 1 hour behind Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Waterloo.

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

Both sides are at work from 10:00 AM – 6:00 PM in Rio de Janeiro (9:00 AM – 5:00 PM in Waterloo).

Does the time difference between Rio de Janeiro and Waterloo change?

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