Buenos Aires to Carmarthen: time difference
Carmarthen 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.
+4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 15:48 3:48 PM Carmarthen 19:48 7:48 PM You –:–
15:48 3:48 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
19:48 7:48 PM
British Summer Time · UTC+1
☀️ 07:49 · 🌙 18:17
·
+4 h
Carmarthen is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Carmarthen 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
🇬🇧 Carmarthen
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 | 🇬🇧 Carmarthen |
|---|---|---|
| Local time | 15:48 | 19:48 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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 | 06:07 | 07:49 |
| Sunset | 19:11 | 18:17 |
| Daylight | 13 h 4 min | 10 h 28 min |
| People on this clock | 2,891,082 | 14,185 |
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 Carmarthen: common questions
What is the time difference between Buenos Aires and Carmarthen?
Carmarthen is 4 hours ahead: it uses UTC+1, while Buenos Aires is on UTC−3.
What time is it in Carmarthen at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Carmarthen it is 1:00 PM at that moment.
What time is it in Carmarthen when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 10:00 PM in Carmarthen.
When is a good time to call Carmarthen from Buenos Aires?
Between 9:00 AM and 2:00 PM in Buenos Aires – that is 1:00 PM to 6:00 PM in Carmarthen – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Carmarthen compared with Buenos Aires?
The new day starts in Carmarthen earlier: at 8:00 PM in Buenos Aires it is already midnight there. Until 4:00 AM in Carmarthen, Buenos Aires is still on the previous day.
Does the time difference between Buenos Aires and Carmarthen change?
Yes. The clocks change only in Carmarthen. From October 25, 2026, Carmarthen will be 3 hours ahead of Buenos Aires.
