Warren, PA to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Warren, PA. 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.
Warren, PA 10:36 10:36 AM Rio de Janeiro 11:36 11:36 AM You –:–
10:36 10:36 AM
Eastern Daylight Time · UTC-4
☀️ 07:26 · 🌙 18:41
11:36 11:36 AM
Brasilia Standard Time · UTC-3
☀️ 05:24 · 🌙 17:56
·
+1 h
Rio de Janeiro is 1 h ahead of Warren, PA.
When you, Warren, PA 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
🇺🇸 Warren, 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
🇧🇷 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 | 🇺🇸 Warren, PA | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 10:36 | 11:36 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Warren, 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 | 07:26 | 05:24 |
| Sunset | 18:41 | 17:56 |
| Daylight | 11 h 16 min | 12 h 32 min |
| People on this clock | 134,188 | 6,211,223 |
Compare Warren, PA with another city
More comparisons with Warren, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Warren, PA and Rio de Janeiro: common questions
How many hours ahead of Warren, PA, is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Warren (UTC−3 and UTC−4).
What time is it in Rio de Janeiro at the start of the working day in Warren, PA?
The working day in Warren 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 when it is 6:00 PM in Warren, PA?
When it is 6:00 PM in Warren, it is 7:00 PM in Rio de Janeiro.
Is there a time when both Warren, PA, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Warren (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Rio de Janeiro compared with Warren, PA?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Warren it is already midnight there. Until 1:00 AM in Rio de Janeiro, Warren is still on the previous day.
Is the time difference between Warren, PA, and Rio de Janeiro the same all year?
No. Only Warren switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Warren.
