Rio de Janeiro to Alajuela: time difference
Alajuela 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 07:16 7:16 AM Alajuela 04:16 4:16 AM You –:–
07:16 7:16 AM
Brasilia Standard Time · UTC-3
☀️ 05:20 · 🌙 17:58
04:16 4:16 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:20
·
−3 h
Alajuela is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and Alajuela 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
🇨🇷 Alajuela
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 | 🇨🇷 Alajuela |
|---|---|---|
| Local time | 07:16 | 04:16 |
| Local date | Friday, October 16, 2026 | Friday, October 16, 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 | 05:20 | 05:26 |
| Sunset | 17:58 | 17:20 |
| Daylight | 12 h 38 min | 11 h 54 min |
| People on this clock | 6,211,223 | 50,000 |
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 Alajuela: common questions
How far behind Rio de Janeiro is Alajuela?
Alajuela is 3 hours behind Rio de Janeiro: UTC−6 against UTC−3.
What time is it in Alajuela at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Alajuela it is 6:00 AM at that moment.
What time is it in Alajuela when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 3:00 PM in Alajuela.
Is there a time when both Rio de Janeiro and Alajuela are at work?
Yes: from 12:00 PM to 6:00 PM in Rio de Janeiro (9:00 AM to 3:00 PM in Alajuela), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Rio de Janeiro is it still yesterday in Alajuela?
Before 3:00 AM in Rio de Janeiro, the date in Alajuela has not changed yet. From 9:00 PM in Alajuela, it is already the next day in Rio de Janeiro.
Does the time gap between Rio de Janeiro and Alajuela change during the year?
No, the clocks change neither in Rio de Janeiro nor in Alajuela, so the gap is 3 hours all year round.
