Mexico City to Port Arthur, TX: time difference
Port Arthur, TX is 1 h ahead of Mexico City. 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.
Mexico City 06:56 6:56 AM Port Arthur, TX 07:56 7:56 AM You –:–
06:56 6:56 AM
Central Standard Time · UTC-6
☀️ 06:33 · 🌙 18:11
07:56 7:56 AM
Central Daylight Time · UTC-5
☀️ 07:21 · 🌙 18:42
·
+1 h
Port Arthur, TX is 1 h ahead of Mexico City.
When you, Mexico City and Port Arthur, 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
🇲🇽 Mexico City
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
🇺🇸 Port Arthur, TX
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Mexico City | 🇺🇸 Port Arthur, TX |
|---|---|---|
| Local time | 06:56 | 07:56 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Mexico City | — | +1 h |
| IANA zone | America/Mexico City | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:33 | 07:21 |
| Sunset | 18:11 | 18:42 |
| Daylight | 11 h 39 min | 11 h 21 min |
| People on this clock | 9,209,944 | 54,135 |
Compare Mexico City with another city
More comparisons with Mexico City: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Mexico City and Port Arthur, TX: common questions
How many hours ahead of Mexico City is Port Arthur, TX?
The clocks in Port Arthur are 1 hour ahead of those in Mexico City (UTC−5 and UTC−6).
What time is it in Port Arthur, TX, at the start of the working day in Mexico City?
The working day in Mexico City starts at 9:00 AM; in Port Arthur it is 10:00 AM at that moment.
What time is it in Port Arthur, TX, at the end of the working day in Mexico City?
The working day in Mexico City ends at 6:00 PM; in Port Arthur it is 7:00 PM at that moment.
When do working hours in Mexico City and in Port Arthur, TX, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Mexico City, which is 10:00 AM to 6:00 PM in Port Arthur.
From what time in Mexico City is it tomorrow in Port Arthur, TX?
Once it is 11:00 PM in Mexico City, the date in Port Arthur has already changed. Until 1:00 AM in Port Arthur, it is still the previous day in Mexico City.
Does the time difference between Mexico City and Port Arthur, TX, change?
Yes. The clocks change only in Port Arthur. From November 1, 2026, Port Arthur and Mexico City will have the same time.
