San Diego to Buenos Aires time converter

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

San Diego PDT

Wednesday, October 21, 2026

Buenos Aires ART

Wednesday, October 21, 2026

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

San Diego to Buenos Aires conversion table

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

San DiegoBuenos 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 Diego (1:00 PM – 6:00 PM in Buenos Aires).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: +4h
  • Nov 1, 2026 – Mar 14, 2027: +5h
  • Mar 14, 2027 – Oct 21, 2027: +4h

Distance

San Diego and Buenos Aires are 9,677 km (6,013 miles) apart in a straight line.

More conversions

Buenos Aires to San DiegoSan Diego to New YorkSan Diego to LondonSan Diego to Los AngelesSan Diego to ChicagoSan Diego to TorontoSan Diego to São PauloSan Diego to ParisSan Diego to BerlinSan Diego to MoscowSan Diego to DubaiSan Diego to New DelhiSan Diego 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 Diego and Buenos Aires?

Buenos Aires is 4 hours ahead of San Diego.

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

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

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

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

Does the time difference between San Diego 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.