Toa Alta to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Toa Alta. 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.
Toa Alta 12:37 12:37 PM Buenos Aires 13:37 1:37 PM You –:–
12:37 12:37 PM
Atlantic Standard Time · UTC-4
☀️ 06:20 · 🌙 18:02
13:37 1:37 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
+1 h
Buenos Aires is 1 h ahead of Toa Alta.
When you, Toa Alta 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
🇵🇷 Toa Alta
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 | 🇵🇷 Toa Alta | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 12:37 | 13:37 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Atlantic Standard Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Toa Alta | — | +1 h |
| IANA zone | America/Puerto Rico | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:20 | 06:10 |
| Sunset | 18:02 | 19:10 |
| Daylight | 11 h 42 min | 13 h |
| People on this clock | 74,000 | 2,891,082 |
Compare Toa Alta with another city
More comparisons with Toa Alta: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Toa Alta and Buenos Aires: common questions
What is the time difference between Toa Alta and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Toa Alta is on UTC−4.
If it is 9:00 AM in Toa Alta, what time is it in Buenos Aires?
At 9:00 AM in Toa Alta, clocks in Buenos Aires show 10:00 AM.
If it is 6:00 PM in Toa Alta, what time is it in Buenos Aires?
At 6:00 PM in Toa Alta, clocks in Buenos Aires show 7:00 PM.
When is a good time to call Buenos Aires from Toa Alta?
Between 9:00 AM and 5:00 PM in Toa Alta – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
From what time in Toa Alta is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Toa Alta, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Toa Alta.
Does the time gap between Toa Alta and Buenos Aires change during the year?
No, the clocks change neither in Toa Alta nor in Buenos Aires, so the gap is 1 hour all year round.
