Buenos Aires to San Diego time converter

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

Buenos Aires ART

Wednesday, October 21, 2026

San Diego PDT

Wednesday, October 21, 2026

Argentina
Wed, Oct 21
ARTUTC-3
California, United States
Wed, Oct 21
PDTUTC-7-4h
Finding your time zone…

11:31 AM in Buenos Aires, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Buenos Aires to San Diego conversion table

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

Buenos AiresSan Diego
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 Diego).

Daylight saving time and the difference

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

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

More conversions

Questions and answers

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

San Diego is 4 hours behind Buenos Aires.

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

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

When is the best time to call San Diego 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 Diego).

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

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