Alajuela to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Alajuela. 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.
Alajuela 06:20 6:20 AM Rio de Janeiro 09:20 9:20 AM You –:–
06:20 6:20 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:20
09:20 9:20 AM
Brasilia Standard Time · UTC-3
☀️ 05:20 · 🌙 17:58
·
+3 h
Rio de Janeiro is 3 h ahead of Alajuela.
When you, Alajuela 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
🇨🇷 Alajuela
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 | 🇨🇷 Alajuela | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 06:20 | 09:20 |
| Local date | Friday, October 16, 2026 | Friday, October 16, 2026 |
| Time zone | Central Standard Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Alajuela | — | +3 h |
| IANA zone | America/Costa Rica | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:26 | 05:20 |
| Sunset | 17:20 | 17:58 |
| Daylight | 11 h 54 min | 12 h 38 min |
| People on this clock | 50,000 | 6,211,223 |
Compare Alajuela with another city
More comparisons with Alajuela: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alajuela and Rio de Janeiro: common questions
What is the time difference between Alajuela and Rio de Janeiro?
Rio de Janeiro is 3 hours ahead: it uses UTC−3, while Alajuela is on UTC−6.
What time is it in Rio de Janeiro when it is 9:00 AM in Alajuela?
When it is 9:00 AM in Alajuela, it is 12:00 PM in Rio de Janeiro.
What time is it in Rio de Janeiro when it is 6:00 PM in Alajuela?
When it is 6:00 PM in Alajuela, it is 9:00 PM in Rio de Janeiro.
Is there a time when both Alajuela and Rio de Janeiro are at work?
Yes: from 9:00 AM to 3:00 PM in Alajuela (12:00 PM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Rio de Janeiro?
From 9:00 PM in Alajuela it is already the next day in Rio de Janeiro. The other way round, until 3:00 AM in Rio de Janeiro it is still the previous day in Alajuela.
Does the time difference between Alajuela and Rio de Janeiro change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
