Rio de Janeiro to Thunder Bay time converter

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

Rio de Janeiro BRT

Tuesday, October 20, 2026

Thunder Bay EDT

Tuesday, October 20, 2026

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

Rio de Janeiro to Thunder Bay conversion table

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

Rio de JaneiroThunder Bay
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 Thunder Bay).

Daylight saving time and the difference

The difference changes during the year because Rio de Janeiro and Thunder Bay 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 Thunder Bay are 9,155 km (5,689 miles) apart in a straight line.

More conversions

Thunder Bay 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 Thunder BayLondon to Thunder BayLos Angeles to Thunder BayChicago to Thunder BayToronto to Thunder BaySão Paulo to Thunder BayParis to Thunder BayBerlin to Thunder BayMoscow to Thunder BayDubai to Thunder BayNew Delhi to Thunder BayBangkok to Thunder Bay

Questions and answers

What is the time difference between Rio de Janeiro and Thunder Bay?

Thunder Bay is 1 hour behind Rio de Janeiro.

What time is it in Thunder Bay 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 Thunder Bay.

When is the best time to call Thunder Bay 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 Thunder Bay).

Does the time difference between Rio de Janeiro and Thunder Bay change?

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