San Juan to Sao Paulo: time difference
Sao Paulo is 1 h ahead of San Juan. 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.
San Juan 22:59 10:59 PM Sao Paulo 23:59 11:59 PM You –:–
22:59 10:59 PM
Atlantic Standard Time · UTC-4
☀️ 06:17 · 🌙 18:08
23:59 11:59 PM
Brasilia Standard Time · UTC-3
☀️ 05:40 · 🌙 18:09
·
+1 h
Sao Paulo is 1 h ahead of San Juan.
When you, San Juan 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
🇵🇷 San Juan
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 | 🇵🇷 San Juan | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 22:59 | 23:59 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from San Juan | — | +1 h |
| IANA zone | America/Puerto Rico | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 05:40 |
| Sunset | 18:08 | 18:09 |
| Daylight | 11 h 50 min | 12 h 29 min |
| People on this clock | 322,854 | 11,451,999 |
Compare San Juan with another city
More comparisons with San Juan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Juan and Sao Paulo: common questions
How many hours ahead of San Juan is Sao Paulo?
The clocks in Sao Paulo are 1 hour ahead of those in San Juan (UTC−3 and UTC−4).
If it is 9:00 AM in San Juan, what time is it in Sao Paulo?
At 9:00 AM in San Juan, clocks in Sao Paulo show 10:00 AM.
What time is it in Sao Paulo at the end of the working day in San Juan?
The working day in San Juan ends at 6:00 PM; in Sao Paulo it is 7:00 PM at that moment.
When do working hours in San Juan and in Sao Paulo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in San Juan, which is 10:00 AM to 6:00 PM in Sao Paulo.
From what time in San Juan is it tomorrow in Sao Paulo?
Once it is 11:00 PM in San Juan, the date in Sao Paulo has already changed. Until 1:00 AM in Sao Paulo, it is still the previous day in San Juan.
Does the time difference between San Juan and Sao Paulo change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
