Rio de Janeiro to New Castle, DE: time difference
New Castle, DE 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 01:33 1:33 AM New Castle, DE 00:33 12:33 AM You –:–
01:33 1:33 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
00:33 12:33 AM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 18:16
·
−1 h
New Castle, DE is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and New Castle, DE 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, DE
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, DE |
|---|---|---|
| Local time | 01:33 | 00:33 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 05:15 | 07:19 |
| Sunset | 18:01 | 18:16 |
| Daylight | 12 h 45 min | 10 h 57 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, DE: common questions
How many hours behind Rio de Janeiro is New Castle, DE?
The clocks in New Castle are 1 hour behind those in Rio de Janeiro (UTC−4 and UTC−3).
If it is 9:00 AM in Rio de Janeiro, what time is it in New Castle, DE?
At 9:00 AM in Rio de Janeiro, clocks in New Castle show 8:00 AM.
What time is it in New Castle, DE, 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.
Is there a time when both Rio de Janeiro and New Castle, DE, are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in New Castle), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Rio de Janeiro is it still yesterday in New Castle, DE?
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.
Is the time difference between Rio de Janeiro and New Castle, DE, the same all year?
No. Only New Castle switches to summer time, so the gap changes twice a year. From November 1, 2026, New Castle will be 2 hours behind Rio de Janeiro.
