🇦🇷 Buenos Aires, Argentina
38
- Argentina Standard Time
- UTC-3
- Golden hour
☀️ 06:06 · 🌙 19:12 · 13 h 6 min
Buenos Aires to Castlebar: time difference
Castlebar is 4 h ahead of Buenos Aires. 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.
Buenos Aires 06:55 6:55 AM Castlebar 10:55 10:55 AM You –:–
06:55 6:55 AM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
10:55 10:55 AM
Irish Standard Time · UTC+1
☀️ 08:14 · 🌙 18:31
·
+4 h
Castlebar is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Castlebar are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇮🇪 Castlebar
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 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇮🇪 Castlebar |
|---|---|---|
| Local time | 06:55 | 10:55 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Argentina Standard Time | Irish Standard Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Buenos Aires | — | +4 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Dublin |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:06 | 08:14 |
| Sunset | 19:12 | 18:31 |
| Daylight | 13 h 6 min | 10 h 17 min |
| People on this clock | 2,891,082 | 13,054 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Castlebar: common questions
What is the time difference between Buenos Aires and Castlebar?
Castlebar is 4 hours ahead: it uses UTC+1, while Buenos Aires is on UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Castlebar?
At 9:00 AM in Buenos Aires, clocks in Castlebar show 1:00 PM.
What time is it in Castlebar when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 10:00 PM in Castlebar.
When is a good time to call Castlebar from Buenos Aires?
Between 9:00 AM and 2:00 PM in Buenos Aires – that is 1:00 PM to 6:00 PM in Castlebar – both places are within working hours (9:00 AM–6:00 PM).
From what time in Buenos Aires is it tomorrow in Castlebar?
Once it is 8:00 PM in Buenos Aires, the date in Castlebar has already changed. Until 4:00 AM in Castlebar, it is still the previous day in Buenos Aires.
Is the time difference between Buenos Aires and Castlebar the same all year?
No. Only Castlebar switches to summer time, so the gap changes twice a year. From October 25, 2026, Castlebar will be 3 hours ahead of Buenos Aires.
