Sioux Falls, SD to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Sioux Falls, SD. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sioux Falls, SD 07:12 7:12 AM Rio de Janeiro 09:12 9:12 AM You –:–
07:12 7:12 AM
Central Daylight Time · UTC-5
☀️ 07:35 · 🌙 18:54
09:12 9:12 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+2 h
Rio de Janeiro is 2 h ahead of Sioux Falls, SD.
When you, Sioux Falls, SD 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
🇺🇸 Sioux Falls, SD
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
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 1 1 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Sioux Falls, SD | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 07:12 | 09:12 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Sioux Falls, SD | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:35 | 05:26 |
| Sunset | 18:54 | 17:55 |
| Daylight | 11 h 18 min | 12 h 30 min |
| People on this clock | 192,517 | 6,211,223 |
Compare Sioux Falls, SD with another city
More comparisons with Sioux Falls, SD: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sioux Falls, SD and Rio de Janeiro: common questions
How many hours ahead of Sioux Falls, SD, is Rio de Janeiro?
The clocks in Rio de Janeiro are 2 hours ahead of those in Sioux Falls (UTC−3 and UTC−5).
If it is 9:00 AM in Sioux Falls, SD, what time is it in Rio de Janeiro?
At 9:00 AM in Sioux Falls, clocks in Rio de Janeiro show 11:00 AM.
What time is it in Rio de Janeiro at the end of the working day in Sioux Falls, SD?
The working day in Sioux Falls ends at 6:00 PM; in Rio de Janeiro it is 8:00 PM at that moment.
When do working hours in Sioux Falls, SD, and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Sioux Falls, which is 11:00 AM to 6:00 PM in Rio de Janeiro.
When does the date change in Rio de Janeiro compared with Sioux Falls, SD?
The new day starts in Rio de Janeiro earlier: at 10:00 PM in Sioux Falls it is already midnight there. Until 2:00 AM in Rio de Janeiro, Sioux Falls is still on the previous day.
Does the time difference between Sioux Falls, SD, and Rio de Janeiro change?
Yes. The clocks change only in Sioux Falls. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Sioux Falls.
