Buenos Aires to Toa Alta: time difference
Toa Alta is 1 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 18:39 6:39 PM Toa Alta 17:39 5:39 PM You –:–
18:39 6:39 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
17:39 5:39 PM
Atlantic Standard Time · UTC-4
☀️ 06:20 · 🌙 18:02
·
−1 h
Toa Alta is 1 h behind Buenos Aires.
When you, Buenos Aires and Toa Alta 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
🇵🇷 Toa Alta
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇵🇷 Toa Alta |
|---|---|---|
| Local time | 18:39 | 17:39 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Argentina Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Buenos Aires | — | −1 h |
| IANA zone | America/Argentina/Buenos Aires | America/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:10 | 06:20 |
| Sunset | 19:10 | 18:02 |
| Daylight | 13 h | 11 h 42 min |
| People on this clock | 2,891,082 | 74,000 |
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 Toa Alta: common questions
What is the time difference between Buenos Aires and Toa Alta?
Toa Alta is 1 hour behind: it uses UTC−4, while Buenos Aires is on UTC−3.
What time is it in Toa Alta when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in Toa Alta.
What time is it in Toa Alta when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 5:00 PM in Toa Alta.
Is there a time when both Buenos Aires and Toa Alta are at work?
Yes: from 10:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 5:00 PM in Toa Alta), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Buenos Aires is it still yesterday in Toa Alta?
Before 1:00 AM in Buenos Aires, the date in Toa Alta has not changed yet. From 11:00 PM in Toa Alta, it is already the next day in Buenos Aires.
Does the time gap between Buenos Aires and Toa Alta change during the year?
No, the clocks change neither in Buenos Aires nor in Toa Alta, so the gap is 1 hour all year round.
