Port Arthur, TX to Buenos Aires: time difference
Buenos Aires is 2 h ahead of Port Arthur, TX. 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.
Port Arthur, TX 06:59 6:59 AM Buenos Aires 08:59 8:59 AM You –:–
06:59 6:59 AM
Central Daylight Time · UTC-5
☀️ 07:21 · 🌙 18:42
08:59 8:59 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
+2 h
Buenos Aires is 2 h ahead of Port Arthur, TX.
When you, Port Arthur, TX and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Port Arthur, TX
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
🇦🇷 Buenos Aires
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
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Time zones side by side
| Detail | 🇺🇸 Port Arthur, TX | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 06:59 | 08:59 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Argentina Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Port Arthur, TX | — | +2 h |
| IANA zone | America/Chicago | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:21 | 06:07 |
| Sunset | 18:42 | 19:11 |
| Daylight | 11 h 21 min | 13 h 4 min |
| People on this clock | 54,135 | 2,891,082 |
Compare Port Arthur, TX with another city
More comparisons with Port Arthur, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Port Arthur, TX and Buenos Aires: common questions
How many hours ahead of Port Arthur, TX, is Buenos Aires?
The clocks in Buenos Aires are 2 hours ahead of those in Port Arthur (UTC−3 and UTC−5).
What time is it in Buenos Aires when it is 9:00 AM in Port Arthur, TX?
When it is 9:00 AM in Port Arthur, it is 11:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Port Arthur, TX?
The working day in Port Arthur ends at 6:00 PM; in Buenos Aires it is 8:00 PM at that moment.
Is there a time when both Port Arthur, TX, and Buenos Aires are at work?
Yes: from 9:00 AM to 4:00 PM in Port Arthur (11:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
From what time in Port Arthur, TX, is it tomorrow in Buenos Aires?
Once it is 10:00 PM in Port Arthur, the date in Buenos Aires has already changed. Until 2:00 AM in Buenos Aires, it is still the previous day in Port Arthur.
Does the time difference between Port Arthur, TX, and Buenos Aires change?
Yes. The clocks change only in Port Arthur. From November 1, 2026, Buenos Aires will be 3 hours ahead of Port Arthur.
