Saint Helena to Buenos Aires: time difference
Buenos Aires is 3 h behind Saint Helena. Live clocks for both, the working hours they share, and how each one sits against your own time.
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Saint Helena 02:42 2:42 AM Buenos Aires 23:42 11:42 PM You –:–
02:42 2:42 AM
Greenwich Mean Time · UTC+0
☀️ 06:00 · 🌙 18:22
23:42 11:42 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−3 h
Buenos Aires is 3 h behind Saint Helena.
When you, Saint Helena and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇸🇭 Saint Helena
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
🇦🇷 Buenos Aires
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇸🇭 Saint Helena | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 02:42 | 23:42 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Greenwich Mean Time | Argentina Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Saint Helena | — | −3 h |
| IANA zone | Atlantic/St Helena | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:00 | 06:20 |
| Sunset | 18:22 | 19:03 |
| Daylight | 12 h 22 min | 12 h 43 min |
| People on this clock | 5,633 | 2,891,082 |
Compare Saint Helena with another city
More comparisons with Saint Helena: the time zones next to it and the far side of the clock.
Big time differences
Saint Helena and Buenos Aires: common questions
What is the time difference between Saint Helena and Buenos Aires?
Buenos Aires is 3 hours behind: it uses UTC−3, while Saint Helena is on UTC+0.
If it is 9:00 AM in Saint Helena, what time is it in Buenos Aires?
At 9:00 AM in Saint Helena, clocks in Buenos Aires show 6:00 AM.
If it is 6:00 PM in Saint Helena, what time is it in Buenos Aires?
At 6:00 PM in Saint Helena, clocks in Buenos Aires show 3:00 PM.
When is a good time to call Buenos Aires from Saint Helena?
Between 12:00 PM and 6:00 PM in Saint Helena – that is 9:00 AM to 3:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Buenos Aires?
Until 3:00 AM in Saint Helena it is still the previous day in Buenos Aires. The other way round, from 9:00 PM in Buenos Aires it is already the next day in Saint Helena.
Does the time gap between Saint Helena and Buenos Aires change during the year?
No, the clocks change neither in Saint Helena nor in Buenos Aires, so the gap is 3 hours all year round.
