Sidney, NE to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Sidney, NE. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sidney, NE 23:18 11:18 PM Rio de Janeiro 02:18 2:18 AM You –:–
23:18 11:18 PM
Mountain Daylight Time · UTC-6
☀️ 07:11 · 🌙 18:04
02:18 2:18 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
·
+3 h
Rio de Janeiro is 3 h ahead of Sidney, NE.
When you, Sidney, NE 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
🇺🇸 Sidney, NE
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
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Sidney, NE | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 23:18 | 02:18 |
| Local date | Wednesday, October 21, 2026 | Thursday, October 22, 2026 |
| Time zone | Mountain Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Sidney, NE | — | +3 h |
| IANA zone | America/Denver | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:11 | 05:15 |
| Sunset | 18:04 | 18:01 |
| Daylight | 10 h 53 min | 12 h 45 min |
| People on this clock | 6,400 | 6,211,223 |
Compare Sidney, NE with another city
More comparisons with Sidney, NE: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sidney, NE and Rio de Janeiro: common questions
What is the time difference between Sidney, NE, and Rio de Janeiro?
Rio de Janeiro is 3 hours ahead: it uses UTC−3, while Sidney is on UTC−6.
If it is 9:00 AM in Sidney, NE, what time is it in Rio de Janeiro?
At 9:00 AM in Sidney, clocks in Rio de Janeiro show 12:00 PM.
If it is 6:00 PM in Sidney, NE, what time is it in Rio de Janeiro?
At 6:00 PM in Sidney, clocks in Rio de Janeiro show 9:00 PM.
When is a good time to call Rio de Janeiro from Sidney, NE?
Between 9:00 AM and 3:00 PM in Sidney – that is 12:00 PM 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 Sidney, NE?
The new day starts in Rio de Janeiro earlier: at 9:00 PM in Sidney it is already midnight there. Until 3:00 AM in Rio de Janeiro, Sidney is still on the previous day.
Is the time difference between Sidney, NE, and Rio de Janeiro the same all year?
No. Only Sidney switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 4 hours ahead of Sidney.
