Sao Paulo to Boca Chica: time difference
Boca Chica is 1 h behind Sao Paulo. 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.
Sao Paulo 10:12 10:12 AM Boca Chica 09:12 9:12 AM You –:–
10:12 10:12 AM
Brasilia Standard Time · UTC-3
☀️ 05:32 · 🌙 18:13
09:12 9:12 AM
Atlantic Standard Time · UTC-4
☀️ 06:34 · 🌙 18:15
·
−1 h
Boca Chica is 1 h behind Sao Paulo.
When you, Sao Paulo and Boca Chica are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Sao Paulo
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
🇩🇴 Boca Chica
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 | 🇧🇷 Sao Paulo | 🇩🇴 Boca Chica |
|---|---|---|
| Local time | 10:12 | 09:12 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Brasilia Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Sao Paulo | — | −1 h |
| IANA zone | America/Sao Paulo | America/Santo Domingo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:32 | 06:34 |
| Sunset | 18:13 | 18:15 |
| Daylight | 12 h 41 min | 11 h 41 min |
| People on this clock | 11,451,999 | 46,300 |
Compare Sao Paulo with another city
More comparisons with Sao Paulo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sao Paulo and Boca Chica: common questions
What is the time difference between Sao Paulo and Boca Chica?
Boca Chica is 1 hour behind: it uses UTC−4, while Sao Paulo is on UTC−3.
If it is 9:00 AM in Sao Paulo, what time is it in Boca Chica?
At 9:00 AM in Sao Paulo, clocks in Boca Chica show 8:00 AM.
If it is 6:00 PM in Sao Paulo, what time is it in Boca Chica?
At 6:00 PM in Sao Paulo, clocks in Boca Chica show 5:00 PM.
When is a good time to call Boca Chica from Sao Paulo?
Between 10:00 AM and 6:00 PM in Sao Paulo – that is 9:00 AM to 5:00 PM in Boca Chica – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Sao Paulo is it still yesterday in Boca Chica?
Before 1:00 AM in Sao Paulo, the date in Boca Chica has not changed yet. From 11:00 PM in Boca Chica, it is already the next day in Sao Paulo.
Does the time difference between Sao Paulo and Boca Chica change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
