Buenos Aires to Merthyr Tydfil: time difference
Merthyr Tydfil is 4 h ahead of Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇬🇧 Merthyr Tydfil, United Kingdom
27
- British Summer Time
- UTC+1
- Night
☀️ 07:41 · 🌙 18:18 · 10 h 36 min
+4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 17:07 5:07 PM Merthyr Tydfil 21:07 9:07 PM You –:–
17:07 5:07 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
21:07 9:07 PM
British Summer Time · UTC+1
☀️ 07:41 · 🌙 18:18
·
+4 h
Merthyr Tydfil is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Merthyr Tydfil are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇬🇧 Merthyr Tydfil
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇬🇧 Merthyr Tydfil |
|---|---|---|
| Local time | 17:07 | 21:07 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Argentina Standard Time | British Summer Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Buenos Aires | — | +4 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:10 | 07:41 |
| Sunset | 19:10 | 18:18 |
| Daylight | 13 h | 10 h 36 min |
| People on this clock | 2,891,082 | 43,820 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Merthyr Tydfil: common questions
How many hours ahead of Buenos Aires is Merthyr Tydfil?
The clocks in Merthyr Tydfil are 4 hours ahead of those in Buenos Aires (UTC+1 and UTC−3).
If it is 9:00 AM in Buenos Aires, what time is it in Merthyr Tydfil?
At 9:00 AM in Buenos Aires, clocks in Merthyr Tydfil show 1:00 PM.
What time is it in Merthyr Tydfil at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Merthyr Tydfil it is 10:00 PM at that moment.
When is a good time to call Merthyr Tydfil from Buenos Aires?
Between 9:00 AM and 2:00 PM in Buenos Aires – that is 1:00 PM to 6:00 PM in Merthyr Tydfil – both places are within working hours (9:00 AM–6:00 PM).
From what time in Buenos Aires is it tomorrow in Merthyr Tydfil?
Once it is 8:00 PM in Buenos Aires, the date in Merthyr Tydfil has already changed. Until 4:00 AM in Merthyr Tydfil, it is still the previous day in Buenos Aires.
Is the time difference between Buenos Aires and Merthyr Tydfil the same all year?
No. Only Merthyr Tydfil switches to summer time, so the gap changes twice a year. From October 25, 2026, Merthyr Tydfil will be 3 hours ahead of Buenos Aires.
