Tuam to Buenos Aires: time difference
Buenos Aires is 4 h behind Tuam. 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.
Tuam 09:03 9:03 AM Buenos Aires 05:03 5:03 AM You –:–
09:03 9:03 AM
Irish Standard Time · UTC+1
☀️ 08:19 · 🌙 18:21
05:03 5:03 AM
Argentina Standard Time · UTC-3
☀️ 06:01 · 🌙 19:16
·
−4 h
Buenos Aires is 4 h behind Tuam.
When you, Tuam 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
🇮🇪 Tuam
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 | 🇮🇪 Tuam | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 09:03 | 05:03 |
| Local date | Saturday, October 24, 2026 | Saturday, October 24, 2026 |
| Time zone | Irish Standard Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Tuam | — | −4 h |
| IANA zone | Europe/Dublin | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 08:19 | 06:01 |
| Sunset | 18:21 | 19:16 |
| Daylight | 10 h 2 min | 13 h 14 min |
| People on this clock | 9,647 | 2,891,082 |
Compare Tuam with another city
More comparisons with Tuam: the time zones next to it and the far side of the clock.
Big time differences
Tuam and Buenos Aires: common questions
How many hours behind Tuam is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Tuam (UTC−3 and UTC+1).
What time is it in Buenos Aires at the start of the working day in Tuam?
The working day in Tuam starts at 9:00 AM; in Buenos Aires it is 5:00 AM at that moment.
If it is 6:00 PM in Tuam, what time is it in Buenos Aires?
At 6:00 PM in Tuam, clocks in Buenos Aires show 2:00 PM.
When is a good time to call Buenos Aires from Tuam?
Between 1:00 PM and 6:00 PM in Tuam – 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 does the date change in Buenos Aires compared with Tuam?
The new day starts in Buenos Aires later: until 4:00 AM in Tuam, it is still the previous day there. From 8:00 PM in Buenos Aires, Tuam is already on the next day.
Does the time difference between Tuam and Buenos Aires change?
Yes. The clocks change only in Tuam. From October 25, 2026, Buenos Aires will be 3 hours behind Tuam.
