Rio de Janeiro to Los Alamos, NM: time difference
Los Alamos, NM 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 09:25 9:25 AM Los Alamos, NM 06:25 6:25 AM You –:–
09:25 9:25 AM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
06:25 6:25 AM
Mountain Daylight Time · UTC-6
☀️ 07:15 · 🌙 18:27
·
−3 h
Los Alamos, NM is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and Los Alamos, NM 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
🇺🇸 Los Alamos, NM
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 | 🇺🇸 Los Alamos, NM |
|---|---|---|
| Local time | 09:25 | 06:25 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 05:19 | 07:15 |
| Sunset | 17:59 | 18:27 |
| Daylight | 12 h 40 min | 11 h 12 min |
| People on this clock | 6,211,223 | 13,179 |
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 Los Alamos, NM: common questions
How far behind Rio de Janeiro is Los Alamos, NM?
Los Alamos is 3 hours behind Rio de Janeiro: UTC−6 against UTC−3.
What time is it in Los Alamos, NM, when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 6:00 AM in Los Alamos.
If it is 6:00 PM in Rio de Janeiro, what time is it in Los Alamos, NM?
At 6:00 PM in Rio de Janeiro, clocks in Los Alamos show 3:00 PM.
Is there a time when both Rio de Janeiro and Los Alamos, NM, are at work?
Yes: from 12:00 PM to 6:00 PM in Rio de Janeiro (9:00 AM to 3:00 PM in Los Alamos), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Los Alamos, NM, compared with Rio de Janeiro?
The new day starts in Los Alamos later: until 3:00 AM in Rio de Janeiro, it is still the previous day there. From 9:00 PM in Los Alamos, Rio de Janeiro is already on the next day.
Does the time difference between Rio de Janeiro and Los Alamos, NM, change?
Yes. The clocks change only in Los Alamos. From November 1, 2026, Los Alamos will be 4 hours behind Rio de Janeiro.
