Rio Claro to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Rio Claro. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rio Claro 07:04 7:04 AM Buenos Aires 08:04 8:04 AM You –:–
07:04 7:04 AM
Atlantic Standard Time · UTC-4
☀️ 05:54 · 🌙 17:47
08:04 8:04 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
+1 h
Buenos Aires is 1 h ahead of Rio Claro.
When you, Rio Claro 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
🇹🇹 Rio Claro
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇹 Rio Claro | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 07:04 | 08:04 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Atlantic Standard Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Rio Claro | — | +1 h |
| IANA zone | America/Port of Spain | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:54 | 06:09 |
| Sunset | 17:47 | 19:11 |
| Daylight | 11 h 53 min | 13 h 2 min |
| People on this clock | 35,650 | 2,891,082 |
Compare Rio Claro with another city
More comparisons with Rio Claro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio Claro and Buenos Aires: common questions
What is the time difference between Rio Claro and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Rio Claro is on UTC−4.
What time is it in Buenos Aires when it is 9:00 AM in Rio Claro?
When it is 9:00 AM in Rio Claro, it is 10:00 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Rio Claro?
When it is 6:00 PM in Rio Claro, it is 7:00 PM in Buenos Aires.
When is a good time to call Buenos Aires from Rio Claro?
Between 9:00 AM and 5:00 PM in Rio Claro – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Buenos Aires compared with Rio Claro?
The new day starts in Buenos Aires earlier: at 11:00 PM in Rio Claro it is already midnight there. Until 1:00 AM in Buenos Aires, Rio Claro is still on the previous day.
Is the time difference between Rio Claro and Buenos Aires the same all year?
Yes. Neither Rio Claro nor Buenos Aires switches to summer time, so the gap is always 1 hour.
