Rio de Janeiro to San Francisco time converter

San Francisco is 4 hours behind Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 5:00 AM in San Francisco.

Rio de Janeiro BRT

Thursday, October 22, 2026

San Francisco PDT

Thursday, October 22, 2026

Rio de Janeiro
Brazil
Thu, Oct 22
BRTUTC-3
San Francisco
California, United States
Thu, Oct 22
PDTUTC-7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to San Francisco conversion table

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

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

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in Rio de Janeiro (9:00 AM – 2:00 PM in San Francisco).

Daylight saving time and the difference

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

  • Oct 22, 2026 – Nov 1, 2026: -4h
  • Nov 1, 2026 – Mar 14, 2027: -5h
  • Mar 14, 2027 – Oct 22, 2027: -4h

Distance

Rio de Janeiro and San Francisco are 10,661 km (6,624 miles) apart in a straight line.

More conversions

San Francisco 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 San FranciscoLondon to San FranciscoLos Angeles to San FranciscoChicago to San FranciscoToronto to San FranciscoSão Paulo to San FranciscoParis to San FranciscoBerlin to San FranciscoMoscow to San FranciscoDubai to San FranciscoNew Delhi to San FranciscoBangkok to San Francisco

Questions and answers

What is the time difference between Rio de Janeiro and San Francisco?

San Francisco is 4 hours behind Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 5:00 AM in San Francisco.

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

Both sides are at work from 1:00 PM – 6:00 PM in Rio de Janeiro (9:00 AM – 2:00 PM in San Francisco).

Does the time difference between Rio de Janeiro and San Francisco change?

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