Reading, PA to Sao Paulo: time difference
Sao Paulo is 1 h ahead of Reading, PA. 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.
Reading, PA 21:09 9:09 PM Sao Paulo 22:09 10:09 PM You –:–
21:09 9:09 PM
Eastern Daylight Time · UTC-4
☀️ 07:11 · 🌙 18:31
22:09 10:09 PM
Brasilia Standard Time · UTC-3
☀️ 05:38 · 🌙 18:10
·
+1 h
Sao Paulo is 1 h ahead of Reading, PA.
When you, Reading, PA 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
🇺🇸 Reading, PA
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 | 🇺🇸 Reading, PA | 🇧🇷 Sao Paulo |
|---|---|---|
| Local time | 21:09 | 22:09 |
| Local date | Sunday, October 11, 2026 | Sunday, October 11, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Reading, PA | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:11 | 05:38 |
| Sunset | 18:31 | 18:10 |
| Daylight | 11 h 21 min | 12 h 32 min |
| People on this clock | 88,082 | 11,451,999 |
Compare Reading, PA with another city
More comparisons with Reading, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Reading, PA and Sao Paulo: common questions
What is the time difference between Reading, PA, and Sao Paulo?
Sao Paulo is 1 hour ahead: it uses UTC−3, while Reading is on UTC−4.
If it is 9:00 AM in Reading, PA, what time is it in Sao Paulo?
At 9:00 AM in Reading, clocks in Sao Paulo show 10:00 AM.
If it is 6:00 PM in Reading, PA, what time is it in Sao Paulo?
At 6:00 PM in Reading, clocks in Sao Paulo show 7:00 PM.
When is a good time to call Sao Paulo from Reading, PA?
Between 9:00 AM and 5:00 PM in Reading – that is 10:00 AM to 6:00 PM in Sao Paulo – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Sao Paulo?
From 11:00 PM in Reading, PA, it is already the next day in Sao Paulo. The other way round, until 1:00 AM in Sao Paulo it is still the previous day in Reading.
Is the time difference between Reading, PA, and Sao Paulo the same all year?
No. Only Reading switches to summer time, so the gap changes twice a year. From November 1, 2026, Sao Paulo will be 2 hours ahead of Reading.
