San Francisco to Buenos Aires time converter

Buenos Aires is 4 hours ahead of San Francisco. When it is 9:00 AM in San Francisco, it is 1:00 PM in Buenos Aires.

San Francisco PDT

Tuesday, October 20, 2026

Buenos Aires ART

Wednesday, October 21, 2026

San Francisco
California, United States
Tue, Oct 20
PDTUTC-7
Buenos Aires
Argentina
Wed, Oct 21
ARTUTC-3+4h
Finding your time zone…
Shared working hours (9:00–18:00)

San Francisco to Buenos Aires conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because San Francisco and Buenos Aires 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

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

More conversions

Buenos Aires to San FranciscoSan Francisco to New YorkSan Francisco to LondonSan Francisco to Los AngelesSan Francisco to ChicagoSan Francisco to TorontoSan Francisco to São PauloSan Francisco to ParisSan Francisco to BerlinSan Francisco to MoscowSan Francisco to DubaiSan Francisco to New DelhiSan Francisco to Bangkok
New York to Buenos AiresLondon to Buenos AiresLos Angeles to Buenos AiresChicago to Buenos AiresToronto to Buenos AiresSão Paulo to Buenos AiresParis to Buenos AiresBerlin to Buenos AiresMoscow to Buenos AiresDubai to Buenos AiresNew Delhi to Buenos AiresBangkok to Buenos Aires

Questions and answers

What is the time difference between San Francisco and Buenos Aires?

Buenos Aires is 4 hours ahead of San Francisco.

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

When it is 9:00 AM in San Francisco, it is 1:00 PM in Buenos Aires.

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

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

Does the time difference between San Francisco and Buenos Aires change?

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