Santa Ana to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Santa Ana. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Santa Ana 01:59 1:59 AM Buenos Aires 04:59 4:59 AM You –:–
01:59 1:59 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:19
04:59 4:59 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
+3 h
Buenos Aires is 3 h ahead of Santa Ana.
When you, Santa Ana and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇷 Santa Ana
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
🇦🇷 Buenos Aires
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇷 Santa Ana | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:59 | 04:59 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Standard Time | Argentina Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Santa Ana | — | +3 h |
| IANA zone | America/Costa Rica | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:26 | 06:09 |
| Sunset | 17:19 | 19:11 |
| Daylight | 11 h 53 min | 13 h 2 min |
| People on this clock | 13,000 | 2,891,082 |
Compare Santa Ana with another city
More comparisons with Santa Ana: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Santa Ana and Buenos Aires: common questions
How many hours ahead of Santa Ana is Buenos Aires?
The clocks in Buenos Aires are 3 hours ahead of those in Santa Ana (UTC−3 and UTC−6).
If it is 9:00 AM in Santa Ana, what time is it in Buenos Aires?
At 9:00 AM in Santa Ana, clocks in Buenos Aires show 12:00 PM.
What time is it in Buenos Aires at the end of the working day in Santa Ana?
The working day in Santa Ana ends at 6:00 PM; in Buenos Aires it is 9:00 PM at that moment.
When do working hours in Santa Ana and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Santa Ana, which is 12:00 PM to 6:00 PM in Buenos Aires.
From what time in Santa Ana is it tomorrow in Buenos Aires?
Once it is 9:00 PM in Santa Ana, the date in Buenos Aires has already changed. Until 3:00 AM in Buenos Aires, it is still the previous day in Santa Ana.
Does the time difference between Santa Ana and Buenos Aires change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
