Buenos Aires to Portsmouth: time difference
Portsmouth 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 18:52 6:52 PM Portsmouth 22:52 10:52 PM You –:–
18:52 6:52 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
22:52 10:52 PM
British Summer Time · UTC+1
☀️ 07:31 · 🌙 18:10
·
+4 h
Portsmouth is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Portsmouth 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
🇬🇧 Portsmouth
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 | 🇬🇧 Portsmouth |
|---|---|---|
| Local time | 18:52 | 22:52 |
| 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 | 07:31 |
| Sunset | 19:10 | 18:10 |
| Daylight | 13 h | 10 h 39 min |
| People on this clock | 2,891,082 | 198,974 |
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 Portsmouth: common questions
How far ahead of Buenos Aires is Portsmouth?
Portsmouth is 4 hours ahead of Buenos Aires: UTC+1 against UTC−3.
What time is it in Portsmouth at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Portsmouth it is 1:00 PM at that moment.
What time is it in Portsmouth at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Portsmouth it is 10:00 PM at that moment.
When is a good time to call Portsmouth from Buenos Aires?
Between 9:00 AM and 2:00 PM in Buenos Aires – that is 1:00 PM to 6:00 PM in Portsmouth – both places are within working hours (9:00 AM–6:00 PM).
From what time in Buenos Aires is it tomorrow in Portsmouth?
Once it is 8:00 PM in Buenos Aires, the date in Portsmouth has already changed. Until 4:00 AM in Portsmouth, it is still the previous day in Buenos Aires.
Does the time difference between Buenos Aires and Portsmouth change?
Yes. The clocks change only in Portsmouth. From October 25, 2026, Portsmouth will be 3 hours ahead of Buenos Aires.
