Buenos Aires to Santa Marta: time difference
Santa Marta is 2 h behind Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
−2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 03:05 3:05 AM Santa Marta 01:05 1:05 AM You –:–
03:05 3:05 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
01:05 1:05 AM
Colombia Standard Time · UTC-5
☀️ 05:47 · 🌙 17:38
·
−2 h
Santa Marta is 2 h behind Buenos Aires.
When you, Buenos Aires and Santa Marta 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 Marta
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 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇨🇴 Santa Marta |
|---|---|---|
| Local time | 03:05 | 01:05 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Argentina Standard Time | Colombia Standard Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Buenos Aires | — | −2 h |
| IANA zone | America/Argentina/Buenos Aires | America/Bogota |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:09 | 05:47 |
| Sunset | 19:11 | 17:38 |
| Daylight | 13 h 2 min | 11 h 51 min |
| People on this clock | 2,891,082 | 500,000 |
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 Marta: common questions
What is the time difference between Buenos Aires and Santa Marta?
Santa Marta is 2 hours behind: it uses UTC−5, while Buenos Aires is on UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Santa Marta?
At 9:00 AM in Buenos Aires, clocks in Santa Marta show 7:00 AM.
If it is 6:00 PM in Buenos Aires, what time is it in Santa Marta?
At 6:00 PM in Buenos Aires, clocks in Santa Marta show 4:00 PM.
Is there a time when both Buenos Aires and Santa Marta are at work?
Yes: from 11:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 4:00 PM in Santa Marta), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Buenos Aires is it still yesterday in Santa Marta?
Before 2:00 AM in Buenos Aires, the date in Santa Marta has not changed yet. From 10:00 PM in Santa Marta, it is already the next day in Buenos Aires.
Does the time gap between Buenos Aires and Santa Marta change during the year?
No, the clocks change neither in Buenos Aires nor in Santa Marta, so the gap is 2 hours all year round.
