Rio de Janeiro to San Juan: time difference
San Juan 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 10:24 10:24 AM San Juan 07:24 7:24 AM You –:–
10:24 10:24 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
07:24 7:24 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
·
−3 h
San Juan is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and San Juan 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
🇨🇷 San Juan
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 | 🇨🇷 San Juan |
|---|---|---|
| Local time | 10:24 | 07:24 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Brasilia Standard Time | Central Standard Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Rio de Janeiro | — | −3 h |
| IANA zone | America/Sao Paulo | America/Costa Rica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:18 | 05:26 |
| Sunset | 17:59 | 17:18 |
| Daylight | 12 h 41 min | 11 h 53 min |
| People on this clock | 6,211,223 | 27,000 |
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 San Juan: common questions
How far behind Rio de Janeiro is San Juan?
San Juan is 3 hours behind Rio de Janeiro: UTC−6 against UTC−3.
What time is it in San Juan at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in San Juan it is 6:00 AM at that moment.
If it is 6:00 PM in Rio de Janeiro, what time is it in San Juan?
At 6:00 PM in Rio de Janeiro, clocks in San Juan show 3:00 PM.
When is a good time to call San Juan from Rio de Janeiro?
Between 12:00 PM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 3:00 PM in San Juan – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in San Juan compared with Rio de Janeiro?
The new day starts in San Juan later: until 3:00 AM in Rio de Janeiro, it is still the previous day there. From 9:00 PM in San Juan, Rio de Janeiro is already on the next day.
Does the time gap between Rio de Janeiro and San Juan change during the year?
No, the clocks change neither in Rio de Janeiro nor in San Juan, so the gap is 3 hours all year round.
