Port Arthur, TX to Mexico City: time difference
Mexico City is 1 h behind Port Arthur, TX. 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.
Port Arthur, TX 07:00 7:00 AM Mexico City 06:00 6:00 AM You –:–
07:00 7:00 AM
Central Daylight Time · UTC-5
☀️ 07:21 · 🌙 18:42
06:00 6:00 AM
Central Standard Time · UTC-6
☀️ 06:33 · 🌙 18:11
·
−1 h
Mexico City is 1 h behind Port Arthur, TX.
When you, Port Arthur, TX and Mexico City 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
🇲🇽 Mexico City
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 22 10 PM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Port Arthur, TX | 🇲🇽 Mexico City |
|---|---|---|
| Local time | 07:00 | 06:00 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Port Arthur, TX | — | −1 h |
| IANA zone | America/Chicago | America/Mexico City |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:21 | 06:33 |
| Sunset | 18:42 | 18:11 |
| Daylight | 11 h 21 min | 11 h 39 min |
| People on this clock | 54,135 | 9,209,944 |
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 Mexico City: common questions
What is the time difference between Port Arthur, TX, and Mexico City?
Mexico City is 1 hour behind: it uses UTC−6, while Port Arthur is on UTC−5.
If it is 9:00 AM in Port Arthur, TX, what time is it in Mexico City?
At 9:00 AM in Port Arthur, clocks in Mexico City show 8:00 AM.
If it is 6:00 PM in Port Arthur, TX, what time is it in Mexico City?
At 6:00 PM in Port Arthur, clocks in Mexico City show 5:00 PM.
When do working hours in Port Arthur, TX, and in Mexico City overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Port Arthur, which is 9:00 AM to 5:00 PM in Mexico City.
When does the date change in Mexico City compared with Port Arthur, TX?
The new day starts in Mexico City later: until 1:00 AM in Port Arthur, it is still the previous day there. From 11:00 PM in Mexico City, Port Arthur is already on the next day.
Does the time difference between Port Arthur, TX, and Mexico City change?
Yes. The clocks change only in Port Arthur. From November 1, 2026, Mexico City and Port Arthur will have the same time.
