Buenos Aires to Santa Cruz: time difference
Santa Cruz 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 01:13 1:13 AM Santa Cruz 00:13 12:13 AM You –:–
01:13 1:13 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
00:13 12:13 AM
Atlantic Standard Time · UTC-4
☀️ 06:31 · 🌙 18:21
·
−1 h
Santa Cruz is 1 h behind Buenos Aires.
When you, Buenos Aires and Santa Cruz 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
🇦🇼 Santa Cruz
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 | 🇦🇼 Santa Cruz |
|---|---|---|
| Local time | 01:13 | 00:13 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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/Aruba |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:07 | 06:31 |
| Sunset | 19:11 | 18:21 |
| Daylight | 13 h 4 min | 11 h 50 min |
| People on this clock | 2,891,082 | 15,236 |
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 Santa Cruz: common questions
How many hours behind Buenos Aires is Santa Cruz?
The clocks in Santa Cruz are 1 hour behind those in Buenos Aires (UTC−4 and UTC−3).
What time is it in Santa Cruz at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Santa Cruz it is 8:00 AM at that moment.
What time is it in Santa Cruz at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Santa Cruz it is 5:00 PM at that moment.
Is there a time when both Buenos Aires and Santa Cruz are at work?
Yes: from 10:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 5:00 PM in Santa Cruz), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Buenos Aires is it still yesterday in Santa Cruz?
Before 1:00 AM in Buenos Aires, the date in Santa Cruz has not changed yet. From 11:00 PM in Santa Cruz, it is already the next day in Buenos Aires.
Does the time gap between Buenos Aires and Santa Cruz change during the year?
No, the clocks change neither in Buenos Aires nor in Santa Cruz, so the gap is 1 hour all year round.
