Buenos Aires to Brownsville, TX: time difference
Brownsville, TX is 2 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 03:48 3:48 AM Brownsville, TX 01:48 1:48 AM You –:–
03:48 3:48 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
01:48 1:48 AM
Central Daylight Time · UTC-5
☀️ 07:32 · 🌙 19:00
·
−2 h
Brownsville, TX is 2 h behind Buenos Aires.
When you, Buenos Aires and Brownsville, TX 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
🇺🇸 Brownsville, TX
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 | 🇺🇸 Brownsville, TX |
|---|---|---|
| Local time | 03:48 | 01:48 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Argentina Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Buenos Aires | — | −2 h |
| IANA zone | America/Argentina/Buenos Aires | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:07 | 07:32 |
| Sunset | 19:11 | 19:00 |
| Daylight | 13 h 4 min | 11 h 28 min |
| People on this clock | 2,891,082 | 186,738 |
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 Brownsville, TX: common questions
How many hours behind Buenos Aires is Brownsville, TX?
The clocks in Brownsville are 2 hours behind those in Buenos Aires (UTC−5 and UTC−3).
What time is it in Brownsville, TX, when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 7:00 AM in Brownsville.
If it is 6:00 PM in Buenos Aires, what time is it in Brownsville, TX?
At 6:00 PM in Buenos Aires, clocks in Brownsville show 4:00 PM.
Is there a time when both Buenos Aires and Brownsville, TX, are at work?
Yes: from 11:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 4:00 PM in Brownsville), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Buenos Aires is it still yesterday in Brownsville, TX?
Before 2:00 AM in Buenos Aires, the date in Brownsville has not changed yet. From 10:00 PM in Brownsville, it is already the next day in Buenos Aires.
Is the time difference between Buenos Aires and Brownsville, TX, the same all year?
No. Only Brownsville switches to summer time, so the gap changes twice a year. From November 1, 2026, Brownsville will be 3 hours behind Buenos Aires.
