Toa Alta to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Toa Alta. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Toa Alta 17:10 5:10 PM Rio de Janeiro 18:10 6:10 PM You –:–
17:10 5:10 PM
Atlantic Standard Time · UTC-4
☀️ 06:20 · 🌙 18:02
18:10 6:10 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
·
+1 h
Rio de Janeiro is 1 h ahead of Toa Alta.
When you, Toa Alta and Rio de Janeiro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇷 Toa Alta
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
🇧🇷 Rio de Janeiro
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
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Time zones side by side
| Detail | 🇵🇷 Toa Alta | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 17:10 | 18:10 |
| 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 Toa Alta | — | +1 h |
| IANA zone | America/Puerto Rico | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:20 | 05:19 |
| Sunset | 18:02 | 17:58 |
| Daylight | 11 h 42 min | 12 h 39 min |
| People on this clock | 74,000 | 6,211,223 |
Compare Toa Alta with another city
More comparisons with Toa Alta: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Toa Alta and Rio de Janeiro: common questions
How many hours ahead of Toa Alta is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Toa Alta (UTC−3 and UTC−4).
What time is it in Rio de Janeiro at the start of the working day in Toa Alta?
The working day in Toa Alta starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
What time is it in Rio de Janeiro at the end of the working day in Toa Alta?
The working day in Toa Alta ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
When do working hours in Toa Alta and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Toa Alta, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
From what time in Toa Alta is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Toa Alta, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Toa Alta.
Is the time difference between Toa Alta and Rio de Janeiro the same all year?
Yes. Neither Toa Alta nor Rio de Janeiro switches to summer time, so the gap is always 1 hour.
