Buenos Aires to St John: time difference
St John 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 01:59 1:59 AM St John 00:59 12:59 AM You –:–
01:59 1:59 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
00:59 12:59 AM
Atlantic Standard Time · UTC-4
☀️ 06:12 · 🌙 18:01
·
−1 h
St John is 1 h behind Buenos Aires.
When you, Buenos Aires and St John 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
🇻🇮 St John
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 | 🇻🇮 St John |
|---|---|---|
| Local time | 01:59 | 00:59 |
| 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/St Thomas |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 06:12 |
| Sunset | 19:04 | 18:01 |
| Daylight | 12 h 45 min | 11 h 49 min |
| People on this clock | 2,891,082 | 2,743 |
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 St John: common questions
What is the time difference between Buenos Aires and St John?
St John is 1 hour behind: it uses UTC−4, while Buenos Aires is on UTC−3.
What time is it in St John when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in St John.
What time is it in St John when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 5:00 PM in St John.
When do working hours in Buenos Aires and in St John overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Buenos Aires, which is 9:00 AM to 5:00 PM in St John.
Until what time in Buenos Aires is it still yesterday in St John?
Before 1:00 AM in Buenos Aires, the date in St John has not changed yet. From 11:00 PM in St John, it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and St John change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
