Buenos Aires to Caernarfon: time difference
Caernarfon 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 15:44 3:44 PM Caernarfon 19:44 7:44 PM You –:–
15:44 3:44 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
19:44 7:44 PM
British Summer Time · UTC+1
☀️ 07:51 · 🌙 18:15
·
+4 h
Caernarfon is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Caernarfon 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
🇬🇧 Caernarfon
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 | 🇬🇧 Caernarfon |
|---|---|---|
| Local time | 15:44 | 19:44 |
| 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 | 07:51 |
| Sunset | 19:11 | 18:15 |
| Daylight | 13 h 4 min | 10 h 24 min |
| People on this clock | 2,891,082 | 9,500 |
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 Caernarfon: common questions
How many hours ahead of Buenos Aires is Caernarfon?
The clocks in Caernarfon are 4 hours ahead of those in Buenos Aires (UTC+1 and UTC−3).
What time is it in Caernarfon at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Caernarfon it is 1:00 PM at that moment.
What time is it in Caernarfon at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Caernarfon it is 10:00 PM at that moment.
Is there a time when both Buenos Aires and Caernarfon are at work?
Yes: from 9:00 AM to 2:00 PM in Buenos Aires (1:00 PM to 6:00 PM in Caernarfon), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Caernarfon compared with Buenos Aires?
The new day starts in Caernarfon earlier: at 8:00 PM in Buenos Aires it is already midnight there. Until 4:00 AM in Caernarfon, Buenos Aires is still on the previous day.
Does the time gap between Buenos Aires and Caernarfon change during the year?
Yes – daylight saving time is used in Caernarfon but not in Buenos Aires. From October 25, 2026, Caernarfon will be 3 hours ahead of Buenos Aires.
