San Juan to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of San Juan. 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.
San Juan 06:36 6:36 AM Rio de Janeiro 09:36 9:36 AM You –:–
06:36 6:36 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
09:36 9:36 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+3 h
Rio de Janeiro is 3 h ahead of San Juan.
When you, San Juan 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
🇨🇷 San Juan
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇷 San Juan | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 06:36 | 09:36 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Standard Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from San Juan | — | +3 h |
| IANA zone | America/Costa Rica | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:26 | 05:18 |
| Sunset | 17:18 | 17:59 |
| Daylight | 11 h 53 min | 12 h 41 min |
| People on this clock | 27,000 | 6,211,223 |
Compare San Juan with another city
More comparisons with San Juan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Juan and Rio de Janeiro: common questions
What is the time difference between San Juan and Rio de Janeiro?
Rio de Janeiro is 3 hours ahead: it uses UTC−3, while San Juan is on UTC−6.
If it is 9:00 AM in San Juan, what time is it in Rio de Janeiro?
At 9:00 AM in San Juan, clocks in Rio de Janeiro show 12:00 PM.
If it is 6:00 PM in San Juan, what time is it in Rio de Janeiro?
At 6:00 PM in San Juan, clocks in Rio de Janeiro show 9:00 PM.
When do working hours in San Juan and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in San Juan, which is 12:00 PM to 6:00 PM in Rio de Janeiro.
From what time in San Juan is it tomorrow in Rio de Janeiro?
Once it is 9:00 PM in San Juan, the date in Rio de Janeiro has already changed. Until 3:00 AM in Rio de Janeiro, it is still the previous day in San Juan.
Is the time difference between San Juan and Rio de Janeiro the same all year?
Yes. Neither San Juan nor Rio de Janeiro switches to summer time, so the gap is always 3 hours.
