Buenos Aires to San Francisco time converter

San Francisco is 4 hours behind Buenos Aires. When it is 9:00 AM in Buenos Aires, it is 5:00 AM in San Francisco.

Buenos Aires ART

Tuesday, October 20, 2026

San Francisco PDT

Tuesday, October 20, 2026

Buenos Aires
Argentina
Tue, Oct 20
ARTUTC-3
San Francisco
California, United States
Tue, Oct 20
PDTUTC-7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Buenos Aires to San Francisco conversion table

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

Buenos AiresSan 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 Buenos Aires (9:00 AM – 2:00 PM in San Francisco).

Daylight saving time and the difference

The difference changes during the year because Buenos Aires and San Francisco switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -4h
  • Nov 1, 2026 – Mar 14, 2027: -5h
  • Mar 14, 2027 – Oct 20, 2027: -4h

Distance

Buenos Aires and San Francisco are 10,411 km (6,469 miles) apart in a straight line.

More conversions

San Francisco to Buenos AiresBuenos Aires to New YorkBuenos Aires to LondonBuenos Aires to Los AngelesBuenos Aires to ChicagoBuenos Aires to TorontoBuenos Aires to São PauloBuenos Aires to ParisBuenos Aires to BerlinBuenos Aires to MoscowBuenos Aires to DubaiBuenos Aires to New DelhiBuenos Aires 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 Buenos Aires and San Francisco?

San Francisco is 4 hours behind Buenos Aires.

What time is it in San Francisco when it is 9 AM in Buenos Aires?

When it is 9:00 AM in Buenos Aires, it is 5:00 AM in San Francisco.

When is the best time to call San Francisco from Buenos Aires?

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

Does the time difference between Buenos Aires 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.