Rio de Janeiro to St. Catharines time converter

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

Rio de Janeiro BRT

Wednesday, October 21, 2026

St. Catharines EDT

Wednesday, October 21, 2026

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

Rio de Janeiro to St. Catharines conversion table

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

Rio de JaneiroSt. Catharines
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 St. Catharines).

Daylight saving time and the difference

The difference changes during the year because Rio de Janeiro and St. Catharines 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

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

More conversions

St. Catharines 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 St. CatharinesLondon to St. CatharinesLos Angeles to St. CatharinesChicago to St. CatharinesToronto to St. CatharinesSão Paulo to St. CatharinesParis to St. CatharinesBerlin to St. CatharinesMoscow to St. CatharinesDubai to St. CatharinesNew Delhi to St. CatharinesBangkok to St. Catharines

Questions and answers

What is the time difference between Rio de Janeiro and St. Catharines?

St. Catharines is 1 hour behind Rio de Janeiro.

What time is it in St. Catharines 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 St. Catharines.

When is the best time to call St. Catharines 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 St. Catharines).

Does the time difference between Rio de Janeiro and St. Catharines change?

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