Dennery to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Dennery. 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.
Dennery 21:39 9:39 PM Rio de Janeiro 22:39 10:39 PM You –:–
21:39 9:39 PM
Atlantic Standard Time · UTC-4
☀️ 06:00 · 🌙 17:36
22:39 10:39 PM
Brasilia Standard Time · UTC-3
☀️ 05:06 · 🌙 18:08
·
+1 h
Rio de Janeiro is 1 h ahead of Dennery.
When you, Dennery 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
🇱🇨 Dennery
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
- Asleep
- Early
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- Evening
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Time zones side by side
| Detail | 🇱🇨 Dennery | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 21:39 | 22:39 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Dennery | — | +1 h |
| IANA zone | America/St Lucia | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:00 | 05:06 |
| Sunset | 17:36 | 18:08 |
| Daylight | 11 h 35 min | 13 h 2 min |
| People on this clock | 12,589 | 6,211,223 |
Compare Dennery with another city
More comparisons with Dennery: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Dennery and Rio de Janeiro: common questions
How far ahead of Dennery is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Dennery: UTC−3 against UTC−4.
What time is it in Rio de Janeiro at the start of the working day in Dennery?
The working day in Dennery starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
If it is 6:00 PM in Dennery, what time is it in Rio de Janeiro?
At 6:00 PM in Dennery, clocks in Rio de Janeiro show 7:00 PM.
When is a good time to call Rio de Janeiro from Dennery?
Between 9:00 AM and 5:00 PM in Dennery – that is 10:00 AM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Rio de Janeiro compared with Dennery?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Dennery it is already midnight there. Until 1:00 AM in Rio de Janeiro, Dennery is still on the previous day.
Does the time gap between Dennery and Rio de Janeiro change during the year?
No, the clocks change neither in Dennery nor in Rio de Janeiro, so the gap is 1 hour all year round.
