Broomfield, CO to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Broomfield, CO. 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.
Broomfield, CO 05:34 5:34 AM Rio de Janeiro 08:34 8:34 AM You –:–
05:34 5:34 AM
Mountain Daylight Time · UTC-6
☀️ 07:15 · 🌙 18:16
08:34 8:34 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+3 h
Rio de Janeiro is 3 h ahead of Broomfield, CO.
When you, Broomfield, CO 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
🇺🇸 Broomfield, CO
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
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Time zones side by side
| Detail | 🇺🇸 Broomfield, CO | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 05:34 | 08:34 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Mountain Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Broomfield, CO | — | +3 h |
| IANA zone | America/Denver | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:15 | 05:18 |
| Sunset | 18:16 | 17:59 |
| Daylight | 11 h 1 min | 12 h 41 min |
| People on this clock | 74,112 | 6,211,223 |
Compare Broomfield, CO with another city
More comparisons with Broomfield, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Broomfield, CO and Rio de Janeiro: common questions
How many hours ahead of Broomfield, CO, is Rio de Janeiro?
The clocks in Rio de Janeiro are 3 hours ahead of those in Broomfield (UTC−3 and UTC−6).
If it is 9:00 AM in Broomfield, CO, what time is it in Rio de Janeiro?
At 9:00 AM in Broomfield, clocks in Rio de Janeiro show 12:00 PM.
What time is it in Rio de Janeiro at the end of the working day in Broomfield, CO?
The working day in Broomfield ends at 6:00 PM; in Rio de Janeiro it is 9:00 PM at that moment.
Is there a time when both Broomfield, CO, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 3:00 PM in Broomfield (12:00 PM 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 Broomfield, CO?
The new day starts in Rio de Janeiro earlier: at 9:00 PM in Broomfield it is already midnight there. Until 3:00 AM in Rio de Janeiro, Broomfield is still on the previous day.
Does the time difference between Broomfield, CO, and Rio de Janeiro change?
Yes. The clocks change only in Broomfield. From November 1, 2026, Rio de Janeiro will be 4 hours ahead of Broomfield.
