Buenos Aires to Costa Rica: time difference
Costa Rica is 3 h behind Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 02:53 2:53 AM Costa Rica 23:53 11:53 PM You –:–
02:53 2:53 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
23:53 11:53 PM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:23
·
−3 h
Costa Rica is 3 h behind Buenos Aires.
When you, Buenos Aires and Costa Rica are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇨🇷 Costa Rica
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇨🇷 Costa Rica |
|---|---|---|
| Local time | 02:53 | 23:53 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Argentina Standard Time | Central Standard Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Buenos Aires | — | −3 h |
| IANA zone | America/Argentina/Buenos Aires | America/Costa Rica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 05:25 |
| Sunset | 19:04 | 17:23 |
| Daylight | 12 h 45 min | 11 h 57 min |
| People on this clock | 2,891,082 | 5,044,197 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Costa Rica: common questions
How far behind Buenos Aires is Costa Rica?
Costa Rica is 3 hours behind Buenos Aires: UTC−6 against UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Costa Rica?
At 9:00 AM in Buenos Aires, clocks in Costa Rica show 6:00 AM.
If it is 6:00 PM in Buenos Aires, what time is it in Costa Rica?
At 6:00 PM in Buenos Aires, clocks in Costa Rica show 3:00 PM.
When do working hours in Buenos Aires and in Costa Rica overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Buenos Aires, which is 9:00 AM to 3:00 PM in Costa Rica.
Until what time in Buenos Aires is it still yesterday in Costa Rica?
Before 3:00 AM in Buenos Aires, the date in Costa Rica has not changed yet. From 9:00 PM in Costa Rica, it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and Costa Rica change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
