Letterkenny to Buenos Aires: time difference
Buenos Aires is 4 h behind Letterkenny. 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.
Letterkenny 14:40 2:40 PM Buenos Aires 10:40 10:40 AM You –:–
14:40 2:40 PM
Irish Standard Time · UTC+1
☀️ 08:04 · 🌙 18:30
10:40 10:40 AM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−4 h
Buenos Aires is 4 h behind Letterkenny.
When you, Letterkenny 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
🇮🇪 Letterkenny
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 | 🇮🇪 Letterkenny | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 14:40 | 10:40 |
| 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 Letterkenny | — | −4 h |
| IANA zone | Europe/Dublin | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 08:04 | 06:10 |
| Sunset | 18:30 | 19:10 |
| Daylight | 10 h 25 min | 13 h |
| People on this clock | 22,549 | 2,891,082 |
Compare Letterkenny with another city
More comparisons with Letterkenny: the time zones next to it and the far side of the clock.
Big time differences
Letterkenny and Buenos Aires: common questions
How many hours behind Letterkenny is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Letterkenny (UTC−3 and UTC+1).
What time is it in Buenos Aires at the start of the working day in Letterkenny?
The working day in Letterkenny 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 Letterkenny?
The working day in Letterkenny ends at 6:00 PM; in Buenos Aires it is 2:00 PM at that moment.
Is there a time when both Letterkenny and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Letterkenny (9:00 AM to 2:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Letterkenny?
The new day starts in Buenos Aires later: until 4:00 AM in Letterkenny, it is still the previous day there. From 8:00 PM in Buenos Aires, Letterkenny is already on the next day.
Does the time difference between Letterkenny and Buenos Aires change?
Yes. The clocks change only in Letterkenny. From October 25, 2026, Buenos Aires will be 3 hours behind Letterkenny.
