San Jose to Buenos Aires time converter
Buenos Aires is 11 hours behind San Jose. When it is 9:00 AM in San Jose, it is 10:00 PM (Wed, Oct 21) in Buenos Aires.
San Jose PHT
Thursday, October 22, 2026
Buenos Aires ART
Wednesday, October 21, 2026
12:57 AM in San Jose, Thursday, October 22, 2026
San Jose to Buenos Aires conversion table
Every hour of today in San Jose and the matching time in Buenos Aires. Light rows are typical working hours (9:00–18:00).
| San Jose | Buenos Aires |
|---|---|
| 12:00 AM | 1:00 PM−1 day |
| 1:00 AM | 2:00 PM−1 day |
| 2:00 AM | 3:00 PM−1 day |
| 3:00 AM | 4:00 PM−1 day |
| 4:00 AM | 5:00 PM−1 day |
| 5:00 AM | 6:00 PM−1 day |
| 6:00 AM | 7:00 PM−1 day |
| 7:00 AM | 8:00 PM−1 day |
| 8:00 AM | 9:00 PM−1 day |
| 9:00 AM | 10:00 PM−1 day |
| 10:00 AM | 11:00 PM−1 day |
| 11:00 AM | 12:00 AM |
| 12:00 PM | 1:00 AM |
| 1:00 PM | 2:00 AM |
| 2:00 PM | 3:00 AM |
| 3:00 PM | 4:00 AM |
| 4:00 PM | 5:00 AM |
| 5:00 PM | 6:00 AM |
| 6:00 PM | 7:00 AM |
| 7:00 PM | 8:00 AM |
| 8:00 PM | 9:00 AM |
| 9:00 PM | 10:00 AM |
| 10:00 PM | 11:00 AM |
| 11:00 PM | 12:00 PM |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in San Jose (9:00 AM – 11:00 AM in Buenos Aires): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference stays 11 hours all year.
Distance
San Jose and Buenos Aires are 17,539 km (10,898 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between San Jose and Buenos Aires?
Buenos Aires is 11 hours behind San Jose.
What time is it in Buenos Aires when it is 9 AM in San Jose?
When it is 9:00 AM in San Jose, it is 10:00 PM (Wed, Oct 21) in Buenos Aires.
When is the best time to call Buenos Aires from San Jose?
Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in San Jose (9:00 AM – 11:00 AM in Buenos Aires): working hours on one side, early or late on the other.
Does the time difference between San Jose and Buenos Aires change?
No. The difference stays 11 hours all year.