Rio de Janeiro to Monument, CO: time difference
Monument, CO is 3 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 11:41 11:41 AM Monument, CO 08:41 8:41 AM You –:–
11:41 11:41 AM
Brasilia Standard Time · UTC-3
☀️ 05:25 · 🌙 17:56
08:41 8:41 AM
Mountain Daylight Time · UTC-6
☀️ 07:06 · 🌙 18:28
·
−3 h
Monument, CO is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and Monument, CO 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
🇺🇸 Monument, CO
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 Monument, CO |
|---|---|---|
| Local time | 11:41 | 08:41 |
| Local date | Sunday, October 11, 2026 | Sunday, October 11, 2026 |
| Time zone | Brasilia Standard Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Rio de Janeiro | — | −3 h |
| IANA zone | America/Sao Paulo | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:25 | 07:06 |
| Sunset | 17:56 | 18:28 |
| Daylight | 12 h 31 min | 11 h 22 min |
| People on this clock | 6,211,223 | 10,000 |
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 Monument, CO: common questions
How many hours behind Rio de Janeiro is Monument, CO?
The clocks in Monument are 3 hours behind those in Rio de Janeiro (UTC−6 and UTC−3).
If it is 9:00 AM in Rio de Janeiro, what time is it in Monument, CO?
At 9:00 AM in Rio de Janeiro, clocks in Monument show 6:00 AM.
What time is it in Monument, CO, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Monument it is 3:00 PM at that moment.
When do working hours in Rio de Janeiro and in Monument, CO, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 3:00 PM in Monument.
Until what time in Rio de Janeiro is it still yesterday in Monument, CO?
Before 3:00 AM in Rio de Janeiro, the date in Monument has not changed yet. From 9:00 PM in Monument, it is already the next day in Rio de Janeiro.
Is the time difference between Rio de Janeiro and Monument, CO, the same all year?
No. Only Monument switches to summer time, so the gap changes twice a year. From November 1, 2026, Monument will be 4 hours behind Rio de Janeiro.
