Arecibo to Sao Paulo: time difference
Sao Paulo is 1 h ahead of Arecibo. 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.
Arecibo 09:13 9:13 AM Sao Paulo 10:13 10:13 AM You –:–
09:13 9:13 AM
Atlantic Standard Time · UTC-4
☀️ 06:22 · 🌙 18:04
10:13 10:13 AM
Brasilia Standard Time · UTC-3
☀️ 05:33 · 🌙 18:13
·
+1 h
Sao Paulo is 1 h ahead of Arecibo.
When you, Arecibo and Sao Paulo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇷 Arecibo
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
🇧🇷 Sao Paulo
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 | 🇵🇷 Arecibo | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 09:13 | 10:13 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Arecibo | — | +1 h |
| IANA zone | America/Puerto Rico | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:22 | 05:33 |
| Sunset | 18:04 | 18:13 |
| Daylight | 11 h 42 min | 12 h 40 min |
| People on this clock | 39,634 | 11,451,999 |
Compare Arecibo with another city
More comparisons with Arecibo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Arecibo and Sao Paulo: common questions
What is the time difference between Arecibo and Sao Paulo?
Sao Paulo is 1 hour ahead: it uses UTC−3, while Arecibo is on UTC−4.
What time is it in Sao Paulo when it is 9:00 AM in Arecibo?
When it is 9:00 AM in Arecibo, it is 10:00 AM in Sao Paulo.
What time is it in Sao Paulo when it is 6:00 PM in Arecibo?
When it is 6:00 PM in Arecibo, it is 7:00 PM in Sao Paulo.
Is there a time when both Arecibo and Sao Paulo are at work?
Yes: from 9:00 AM to 5:00 PM in Arecibo (10:00 AM to 6:00 PM in Sao Paulo), the working days (9:00 AM–6:00 PM) overlap.
From what time in Arecibo is it tomorrow in Sao Paulo?
Once it is 11:00 PM in Arecibo, the date in Sao Paulo has already changed. Until 1:00 AM in Sao Paulo, it is still the previous day in Arecibo.
Does the time difference between Arecibo and Sao Paulo change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
