Buenos Aires to Santa Tecla: time difference
Santa Tecla is 3 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 00:27 12:27 AM Santa Tecla 21:27 9:27 PM You –:–
00:27 12:27 AM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
21:27 9:27 PM
Central Standard Time · UTC-6
☀️ 05:49 · 🌙 17:38
·
−3 h
Santa Tecla is 3 h behind Buenos Aires.
When you, Buenos Aires and Santa Tecla 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 Tecla
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 | 🇦🇷 Buenos Aires | 🇸🇻 Santa Tecla |
|---|---|---|
| Local time | 00:27 | 21:27 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Argentina Standard Time | Central Standard Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Buenos Aires | — | −3 h |
| IANA zone | America/Argentina/Buenos Aires | America/El Salvador |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:10 | 05:49 |
| Sunset | 19:10 | 17:38 |
| Daylight | 13 h | 11 h 49 min |
| People on this clock | 2,891,082 | 138,695 |
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 Tecla: common questions
How far behind Buenos Aires is Santa Tecla?
Santa Tecla is 3 hours behind Buenos Aires: UTC−6 against UTC−3.
What time is it in Santa Tecla at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Santa Tecla it is 6:00 AM at that moment.
If it is 6:00 PM in Buenos Aires, what time is it in Santa Tecla?
At 6:00 PM in Buenos Aires, clocks in Santa Tecla show 3:00 PM.
Is there a time when both Buenos Aires and Santa Tecla are at work?
Yes: from 12:00 PM to 6:00 PM in Buenos Aires (9:00 AM to 3:00 PM in Santa Tecla), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Santa Tecla compared with Buenos Aires?
The new day starts in Santa Tecla later: until 3:00 AM in Buenos Aires, it is still the previous day there. From 9:00 PM in Santa Tecla, Buenos Aires is already on the next day.
Is the time difference between Buenos Aires and Santa Tecla the same all year?
Yes. Neither Buenos Aires nor Santa Tecla switches to summer time, so the gap is always 3 hours.
