Santa Teresa to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Santa Teresa. 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 Teresa 07:35 7:35 AM Buenos Aires 10:35 10:35 AM You –:–
07:35 7:35 AM
Central Standard Time · UTC-6
☀️ 05:30 · 🌙 17:22
10:35 10:35 AM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+3 h
Buenos Aires is 3 h ahead of Santa Teresa.
When you, Santa Teresa 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 Teresa
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 Teresa | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 07:35 | 10:35 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Standard Time | Argentina Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Santa Teresa | — | +3 h |
| IANA zone | America/Costa Rica | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:30 | 06:06 |
| Sunset | 17:22 | 19:12 |
| Daylight | 11 h 53 min | 13 h 6 min |
| People on this clock | 3,099 | 2,891,082 |
Compare Santa Teresa with another city
More comparisons with Santa Teresa: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Santa Teresa and Buenos Aires: common questions
How far ahead of Santa Teresa is Buenos Aires?
Buenos Aires is 3 hours ahead of Santa Teresa: UTC−3 against UTC−6.
If it is 9:00 AM in Santa Teresa, what time is it in Buenos Aires?
At 9:00 AM in Santa Teresa, clocks in Buenos Aires show 12:00 PM.
If it is 6:00 PM in Santa Teresa, what time is it in Buenos Aires?
At 6:00 PM in Santa Teresa, clocks in Buenos Aires show 9:00 PM.
When is a good time to call Buenos Aires from Santa Teresa?
Between 9:00 AM and 3:00 PM in Santa Teresa – that is 12:00 PM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Buenos Aires?
From 9:00 PM in Santa Teresa it is already the next day in Buenos Aires. The other way round, until 3:00 AM in Buenos Aires it is still the previous day in Santa Teresa.
Is the time difference between Santa Teresa and Buenos Aires the same all year?
Yes. Neither Santa Teresa nor Buenos Aires switches to summer time, so the gap is always 3 hours.
