Cork to Buenos Aires: time difference
Buenos Aires is 4 h behind Cork. Live clocks for both, the working hours they share, and how each one sits against your own time.
−4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Cork 01:24 1:24 AM Buenos Aires 21:24 9:24 PM You –:–
01:24 1:24 AM
Irish Standard Time · UTC+1
☀️ 07:48 · 🌙 18:55
21:24 9:24 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−4 h
Buenos Aires is 4 h behind Cork.
When you, Cork 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
🇮🇪 Cork
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
20 8 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇪 Cork | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:24 | 21:24 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Irish Standard Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Cork | — | −4 h |
| IANA zone | Europe/Dublin | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:48 | 06:20 |
| Sunset | 18:55 | 19:03 |
| Daylight | 11 h 7 min | 12 h 43 min |
| People on this clock | 210,000 | 2,891,082 |
Compare Cork with another city
More comparisons with Cork: the time zones next to it and the far side of the clock.
Big time differences
Cork and Buenos Aires: common questions
What is the time difference between Cork and Buenos Aires?
Buenos Aires is 4 hours behind: it uses UTC−3, while Cork is on UTC+1.
What time is it in Buenos Aires when it is 9:00 AM in Cork?
When it is 9:00 AM in Cork, it is 5:00 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Cork?
When it is 6:00 PM in Cork, it is 2:00 PM in Buenos Aires.
Is there a time when both Cork and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Cork (9:00 AM to 2:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Cork is it still yesterday in Buenos Aires?
Before 4:00 AM in Cork, the date in Buenos Aires has not changed yet. From 8:00 PM in Buenos Aires, it is already the next day in Cork.
Does the time gap between Cork and Buenos Aires change during the year?
Yes – daylight saving time is used in Cork but not in Buenos Aires. From October 25, 2026, Buenos Aires will be 3 hours behind Cork.
