Buenos Aires to Saint Lucia: time difference
Saint Lucia 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 03:35 3:35 AM Saint Lucia 02:35 2:35 AM You –:–
03:35 3:35 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
02:35 2:35 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
·
−1 h
Saint Lucia is 1 h behind Buenos Aires.
When you, Buenos Aires and Saint Lucia 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
🇱🇨 Saint Lucia
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 | 🇱🇨 Saint Lucia |
|---|---|---|
| Local time | 03:35 | 02:35 |
| 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 Lucia |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 05:55 |
| Sunset | 19:04 | 17:48 |
| Daylight | 12 h 45 min | 11 h 54 min |
| People on this clock | 2,891,082 | 167,591 |
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 Saint Lucia: common questions
What is the time difference between Buenos Aires and Saint Lucia?
Saint Lucia is 1 hour behind: it uses UTC−4, while Buenos Aires is on UTC−3.
What time is it in Saint Lucia when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in Saint Lucia.
What time is it in Saint Lucia when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 5:00 PM in Saint Lucia.
When do working hours in Buenos Aires and in Saint Lucia 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 Saint Lucia.
Until what time in Buenos Aires is it still yesterday in Saint Lucia?
Before 1:00 AM in Buenos Aires, the date in Saint Lucia has not changed yet. From 11:00 PM in Saint Lucia, it is already the next day in Buenos Aires.
Is the time difference between Buenos Aires and Saint Lucia the same all year?
Yes. Neither Buenos Aires nor Saint Lucia switches to summer time, so the gap is always 1 hour.
