Rio de Janeiro to New Castle, PA: time difference
New Castle, PA is 1 h behind Rio de Janeiro. 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.
Rio de Janeiro 23:30 11:30 PM New Castle, PA 22:30 10:30 PM You –:–
23:30 11:30 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
22:30 10:30 PM
Eastern Daylight Time · UTC-4
☀️ 07:39 · 🌙 18:35
·
−1 h
New Castle, PA is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and New Castle, PA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇺🇸 New Castle, PA
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
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 New Castle, PA |
|---|---|---|
| Local time | 23:30 | 22:30 |
| 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 Rio de Janeiro | — | −1 h |
| IANA zone | America/Sao Paulo | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:17 | 07:39 |
| Sunset | 18:00 | 18:35 |
| Daylight | 12 h 43 min | 10 h 56 min |
| People on this clock | 6,211,223 | 21,926 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and New Castle, PA: common questions
How many hours behind Rio de Janeiro is New Castle, PA?
The clocks in New Castle are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
What time is it in New Castle, PA, when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in New Castle.
What time is it in New Castle, PA, when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 5:00 PM in New Castle.
When is a good time to call New Castle, PA, from Rio de Janeiro?
Between 10:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 5:00 PM in New Castle – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Rio de Janeiro is it still yesterday in New Castle, PA?
Before 1:00 AM in Rio de Janeiro, the date in New Castle has not changed yet. From 11:00 PM in New Castle, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and New Castle, PA, change?
Yes. The clocks change only in New Castle. From November 1, 2026, New Castle will be 2 hours behind Rio de Janeiro.
