Shannon to Buenos Aires: time difference
Buenos Aires is 4 h behind Shannon. 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.
Shannon 07:28 7:28 AM Buenos Aires 03:28 3:28 AM You –:–
07:28 7:28 AM
Irish Standard Time · UTC+1
☀️ 08:05 · 🌙 18:38
03:28 3:28 AM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−4 h
Buenos Aires is 4 h behind Shannon.
When you, Shannon 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
🇮🇪 Shannon
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 | 🇮🇪 Shannon | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 07:28 | 03:28 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Irish Standard Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Shannon | — | −4 h |
| IANA zone | Europe/Dublin | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 08:05 | 06:10 |
| Sunset | 18:38 | 19:10 |
| Daylight | 10 h 33 min | 13 h |
| People on this clock | 10,256 | 2,891,082 |
Compare Shannon with another city
More comparisons with Shannon: the time zones next to it and the far side of the clock.
Big time differences
Shannon and Buenos Aires: common questions
How many hours behind Shannon is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Shannon (UTC−3 and UTC+1).
What time is it in Buenos Aires at the start of the working day in Shannon?
The working day in Shannon starts at 9:00 AM; in Buenos Aires it is 5:00 AM at that moment.
If it is 6:00 PM in Shannon, what time is it in Buenos Aires?
At 6:00 PM in Shannon, clocks in Buenos Aires show 2:00 PM.
Is there a time when both Shannon and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Shannon (9:00 AM to 2:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Shannon is it still yesterday in Buenos Aires?
Before 4:00 AM in Shannon, the date in Buenos Aires has not changed yet. From 8:00 PM in Buenos Aires, it is already the next day in Shannon.
Is the time difference between Shannon and Buenos Aires the same all year?
No. Only Shannon switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 3 hours behind Shannon.
