Isabela to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Isabela. 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.
Isabela 13:15 1:15 PM Buenos Aires 14:15 2:15 PM You –:–
13:15 1:15 PM
Atlantic Standard Time · UTC-4
☀️ 06:23 · 🌙 18:05
14:15 2:15 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
+1 h
Buenos Aires is 1 h ahead of Isabela.
When you, Isabela 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
🇵🇷 Isabela
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 | 🇵🇷 Isabela | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 13:15 | 14:15 |
| 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 Isabela | — | +1 h |
| IANA zone | America/Puerto Rico | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:23 | 06:10 |
| Sunset | 18:05 | 19:10 |
| Daylight | 11 h 42 min | 13 h |
| People on this clock | 45,000 | 2,891,082 |
Compare Isabela with another city
More comparisons with Isabela: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Isabela and Buenos Aires: common questions
How many hours ahead of Isabela is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in Isabela (UTC−3 and UTC−4).
If it is 9:00 AM in Isabela, what time is it in Buenos Aires?
At 9:00 AM in Isabela, clocks in Buenos Aires show 10:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Isabela?
When it is 6:00 PM in Isabela, it is 7:00 PM in Buenos Aires.
When is a good time to call Buenos Aires from Isabela?
Between 9:00 AM and 5:00 PM in Isabela – 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 Isabela is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Isabela, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Isabela.
Does the time difference between Isabela and Buenos Aires change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
