Killarney to Buenos Aires: time difference
Buenos Aires is 4 h behind Killarney. 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.
Killarney 05:45 5:45 AM Buenos Aires 01:45 1:45 AM You –:–
05:45 5:45 AM
Irish Standard Time · UTC+1
☀️ 08:06 · 🌙 18:42
01:45 1:45 AM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−4 h
Buenos Aires is 4 h behind Killarney.
When you, Killarney 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
🇮🇪 Killarney
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 | 🇮🇪 Killarney | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 05:45 | 01:45 |
| 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 Killarney | — | −4 h |
| IANA zone | Europe/Dublin | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 08:06 | 06:10 |
| Sunset | 18:42 | 19:10 |
| Daylight | 10 h 35 min | 13 h |
| People on this clock | 14,412 | 2,891,082 |
Compare Killarney with another city
More comparisons with Killarney: the time zones next to it and the far side of the clock.
Big time differences
Killarney and Buenos Aires: common questions
How many hours behind Killarney is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Killarney (UTC−3 and UTC+1).
What time is it in Buenos Aires at the start of the working day in Killarney?
The working day in Killarney starts at 9:00 AM; in Buenos Aires it is 5:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Killarney?
The working day in Killarney ends at 6:00 PM; in Buenos Aires it is 2:00 PM at that moment.
When is a good time to call Buenos Aires from Killarney?
Between 1:00 PM and 6:00 PM in Killarney – that is 9:00 AM to 2:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Buenos Aires?
Until 4:00 AM in Killarney it is still the previous day in Buenos Aires. The other way round, from 8:00 PM in Buenos Aires it is already the next day in Killarney.
Is the time difference between Killarney and Buenos Aires the same all year?
No. Only Killarney switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 3 hours behind Killarney.
