Rio de Janeiro to Saint Louis, MO: time difference
Saint Louis, MO is 2 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 04:47 4:47 AM Saint Louis, MO 02:47 2:47 AM You –:–
04:47 4:47 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
02:47 2:47 AM
Central Daylight Time · UTC-5
☀️ 07:06 · 🌙 18:31
·
−2 h
Saint Louis, MO is 2 h behind Rio de Janeiro.
When you, Rio de Janeiro and Saint Louis, MO 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
🇺🇸 Saint Louis, MO
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 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 Saint Louis, MO |
|---|---|---|
| Local time | 04:47 | 02:47 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Rio de Janeiro | — | −2 h |
| IANA zone | America/Sao Paulo | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:26 | 07:06 |
| Sunset | 17:55 | 18:31 |
| Daylight | 12 h 30 min | 11 h 26 min |
| People on this clock | 6,211,223 | 301,578 |
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 Saint Louis, MO: common questions
How far behind Rio de Janeiro is Saint Louis, MO?
Saint Louis is 2 hours behind Rio de Janeiro: UTC−5 against UTC−3.
What time is it in Saint Louis, MO, when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 7:00 AM in Saint Louis.
What time is it in Saint Louis, MO, when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 4:00 PM in Saint Louis.
When do working hours in Rio de Janeiro and in Saint Louis, MO, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 4:00 PM in Saint Louis.
When does the date change in Saint Louis, MO, compared with Rio de Janeiro?
The new day starts in Saint Louis later: until 2:00 AM in Rio de Janeiro, it is still the previous day there. From 10:00 PM in Saint Louis, Rio de Janeiro is already on the next day.
Is the time difference between Rio de Janeiro and Saint Louis, MO, the same all year?
No. Only Saint Louis switches to summer time, so the gap changes twice a year. From November 1, 2026, Saint Louis will be 3 hours behind Rio de Janeiro.
