🇦🇷 Buenos Aires, Argentina
21
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:19 · 🌙 19:04 · 12 h 45 min
Buenos Aires to Portsmouth: time difference
Portsmouth is 1 h behind Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 10:53 10:53 AM Portsmouth 09:53 9:53 AM You –:–
10:53 10:53 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
09:53 9:53 AM
Atlantic Standard Time · UTC-4
☀️ 05:57 · 🌙 17:50
·
−1 h
Portsmouth is 1 h behind 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
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 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇩🇲 Portsmouth |
|---|---|---|
| Local time | 10:53 | 09:53 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Argentina Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Buenos Aires | — | −1 h |
| IANA zone | America/Argentina/Buenos Aires | America/Dominica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 05:57 |
| Sunset | 19:04 | 17:50 |
| Daylight | 12 h 45 min | 11 h 52 min |
| People on this clock | 2,891,082 | 3,633 |
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
What is the time difference between Buenos Aires and Portsmouth?
Portsmouth is 1 hour behind: it uses UTC−4, while Buenos Aires is on 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 8:00 AM at that moment.
If it is 6:00 PM in Buenos Aires, what time is it in Portsmouth?
At 6:00 PM in Buenos Aires, clocks in Portsmouth show 5:00 PM.
Is there a time when both Buenos Aires and Portsmouth are at work?
Yes: from 10:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 5:00 PM in Portsmouth), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Portsmouth?
Until 1:00 AM in Buenos Aires it is still the previous day in Portsmouth. The other way round, from 11:00 PM in Portsmouth it is already the next day in Buenos Aires.
Is the time difference between Buenos Aires and Portsmouth the same all year?
Yes. Neither Buenos Aires nor Portsmouth switches to summer time, so the gap is always 1 hour.
