Heredia to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Heredia. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
45
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:19 · 🌙 19:04 · 12 h 45 min
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Heredia 04:58 4:58 AM Buenos Aires 07:58 7:58 AM You –:–
04:58 4:58 AM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:23
07:58 7:58 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
+3 h
Buenos Aires is 3 h ahead of Heredia.
When you, Heredia and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇷 Heredia
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
🇦🇷 Buenos Aires
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 | 🇨🇷 Heredia | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 04:58 | 07:58 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Standard Time | Argentina Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Heredia | — | +3 h |
| IANA zone | America/Costa Rica | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:25 | 06:19 |
| Sunset | 17:23 | 19:04 |
| Daylight | 11 h 57 min | 12 h 45 min |
| People on this clock | 117,000 | 2,891,082 |
Compare Heredia with another city
More comparisons with Heredia: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Heredia and Buenos Aires: common questions
How many hours ahead of Heredia is Buenos Aires?
The clocks in Buenos Aires are 3 hours ahead of those in Heredia (UTC−3 and UTC−6).
If it is 9:00 AM in Heredia, what time is it in Buenos Aires?
At 9:00 AM in Heredia, clocks in Buenos Aires show 12:00 PM.
What time is it in Buenos Aires at the end of the working day in Heredia?
The working day in Heredia ends at 6:00 PM; in Buenos Aires it is 9:00 PM at that moment.
When is a good time to call Buenos Aires from Heredia?
Between 9:00 AM and 3:00 PM in Heredia – that is 12:00 PM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Buenos Aires?
From 9:00 PM in Heredia it is already the next day in Buenos Aires. The other way round, until 3:00 AM in Buenos Aires it is still the previous day in Heredia.
Does the time gap between Heredia and Buenos Aires change during the year?
No, the clocks change neither in Heredia nor in Buenos Aires, so the gap is 3 hours all year round.
