Sao Paulo to Dayton, OH: time difference
Dayton, OH 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 19:58 7:58 PM Dayton, OH 18:58 6:58 PM You –:–
19:58 7:58 PM
Brasilia Standard Time · UTC-3
☀️ 05:30 · 🌙 18:14
18:58 6:58 PM
Eastern Daylight Time · UTC-4
☀️ 07:53 · 🌙 18:52
·
−1 h
Dayton, OH is 1 h behind Sao Paulo.
When you, Sao Paulo and Dayton, OH 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
🇺🇸 Dayton, OH
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
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Time zones side by side
| Detail | 🇧🇷 Sao Paulo | 🇺🇸 Dayton, OH |
|---|---|---|
| Local time | 19:58 | 18:58 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Sao Paulo | — | −1 h |
| IANA zone | America/Sao Paulo | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:30 | 07:53 |
| Sunset | 18:14 | 18:52 |
| Daylight | 12 h 44 min | 10 h 59 min |
| People on this clock | 11,451,999 | 156,771 |
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 Dayton, OH: common questions
How far behind Sao Paulo is Dayton, OH?
Dayton is 1 hour behind Sao Paulo: UTC−4 against UTC−3.
If it is 9:00 AM in Sao Paulo, what time is it in Dayton, OH?
At 9:00 AM in Sao Paulo, clocks in Dayton show 8:00 AM.
What time is it in Dayton, OH, at the end of the working day in Sao Paulo?
The working day in Sao Paulo ends at 6:00 PM; in Dayton it is 5:00 PM at that moment.
When do working hours in Sao Paulo and in Dayton, OH, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Sao Paulo, which is 9:00 AM to 5:00 PM in Dayton.
Until what time in Sao Paulo is it still yesterday in Dayton, OH?
Before 1:00 AM in Sao Paulo, the date in Dayton has not changed yet. From 11:00 PM in Dayton, it is already the next day in Sao Paulo.
Does the time difference between Sao Paulo and Dayton, OH, change?
Yes. The clocks change only in Dayton. From November 1, 2026, Dayton will be 2 hours behind Sao Paulo.
