St. Catharines to Rio de Janeiro time converter

Rio de Janeiro is 1 hour ahead of St. Catharines. When it is 9:00 AM in St. Catharines, it is 10:00 AM in Rio de Janeiro.

St. Catharines EDT

Wednesday, October 21, 2026

Rio de Janeiro BRT

Wednesday, October 21, 2026

St. Catharines
Ontario, Canada
Wed, Oct 21
EDTUTC-4
Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3+1h
Finding your time zone…
Shared working hours (9:00–18:00)

St. Catharines to Rio de Janeiro conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

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

Distance

St. Catharines and Rio de Janeiro are 8,221 km (5,108 miles) apart in a straight line.

More conversions

Rio de Janeiro to St. CatharinesSt. Catharines to New YorkSt. Catharines to LondonSt. Catharines to Los AngelesSt. Catharines to ChicagoSt. Catharines to TorontoSt. Catharines to São PauloSt. Catharines to ParisSt. Catharines to BerlinSt. Catharines to MoscowSt. Catharines to DubaiSt. Catharines to New DelhiSt. Catharines 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 St. Catharines and Rio de Janeiro?

Rio de Janeiro is 1 hour ahead of St. Catharines.

What time is it in Rio de Janeiro when it is 9 AM in St. Catharines?

When it is 9:00 AM in St. Catharines, it is 10:00 AM in Rio de Janeiro.

When is the best time to call Rio de Janeiro from St. Catharines?

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

Does the time difference between St. Catharines 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.