Buenos Aires to Piedras Negras: time difference
Piedras Negras 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 01:17 1:17 AM Piedras Negras 23:17 11:17 PM You –:–
01:17 1:17 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
23:17 11:17 PM
Central Daylight Time · UTC-5
☀️ 07:45 · 🌙 19:10
·
−2 h
Piedras Negras is 2 h behind Buenos Aires.
When you, Buenos Aires and Piedras Negras 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
🇲🇽 Piedras Negras
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 | 🇲🇽 Piedras Negras |
|---|---|---|
| Local time | 01:17 | 23:17 |
| Local date | Monday, October 19, 2026 | Sunday, October 18, 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/Matamoros |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:07 | 07:45 |
| Sunset | 19:11 | 19:10 |
| Daylight | 13 h 4 min | 11 h 25 min |
| People on this clock | 2,891,082 | 173,959 |
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 Piedras Negras: common questions
How far behind Buenos Aires is Piedras Negras?
Piedras Negras is 2 hours behind Buenos Aires: UTC−5 against UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Piedras Negras?
At 9:00 AM in Buenos Aires, clocks in Piedras Negras show 7:00 AM.
If it is 6:00 PM in Buenos Aires, what time is it in Piedras Negras?
At 6:00 PM in Buenos Aires, clocks in Piedras Negras show 4:00 PM.
When is a good time to call Piedras Negras from Buenos Aires?
Between 11:00 AM and 6:00 PM in Buenos Aires – that is 9:00 AM to 4:00 PM in Piedras Negras – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Buenos Aires is it still yesterday in Piedras Negras?
Before 2:00 AM in Buenos Aires, the date in Piedras Negras has not changed yet. From 10:00 PM in Piedras Negras, it is already the next day in Buenos Aires.
Is the time difference between Buenos Aires and Piedras Negras the same all year?
No. Only Piedras Negras switches to summer time, so the gap changes twice a year. From November 1, 2026, Piedras Negras will be 3 hours behind Buenos Aires.
