Buenos Aires to San Jose time converter

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

Buenos Aires ART

Wednesday, October 21, 2026

San Jose PDT

Wednesday, October 21, 2026

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

Buenos Aires to San Jose conversion table

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

Buenos AiresSan Jose
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 Jose).

Daylight saving time and the difference

The difference changes during the year because Buenos Aires and San Jose 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 Jose are 10,344 km (6,427 miles) apart in a straight line.

More conversions

San Jose 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 JoseLondon to San JoseLos Angeles to San JoseChicago to San JoseToronto to San JoseSão Paulo to San JoseParis to San JoseBerlin to San JoseMoscow to San JoseDubai to San JoseNew Delhi to San JoseBangkok to San Jose

Questions and answers

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

San Jose is 4 hours behind Buenos Aires.

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

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

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

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

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