Montreal to Port Arthur, TX: time difference
Port Arthur, TX is 1 h behind Montreal. 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.
Montreal 09:41 9:41 AM Port Arthur, TX 08:41 8:41 AM You –:–
09:41 9:41 AM
Eastern Daylight Time · UTC-4
☀️ 07:16 · 🌙 18:03
08:41 8:41 AM
Central Daylight Time · UTC-5
☀️ 07:21 · 🌙 18:42
·
−1 h
Port Arthur, TX is 1 h behind Montreal.
When you, Montreal 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
🇨🇦 Montreal
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
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Montreal | 🇺🇸 Port Arthur, TX |
|---|---|---|
| Local time | 09:41 | 08:41 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Central Daylight Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Montreal | — | −1 h |
| IANA zone | America/Toronto | America/Chicago |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:16 | 07:21 |
| Sunset | 18:03 | 18:42 |
| Daylight | 10 h 47 min | 11 h 21 min |
| People on this clock | 1,762,949 | 54,135 |
Compare Montreal with another city
More comparisons with Montreal: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montreal and Port Arthur, TX: common questions
How far behind Montreal is Port Arthur, TX?
Port Arthur is 1 hour behind Montreal: UTC−5 against UTC−4.
What time is it in Port Arthur, TX, when it is 9:00 AM in Montreal?
When it is 9:00 AM in Montreal, it is 8:00 AM in Port Arthur.
What time is it in Port Arthur, TX, when it is 6:00 PM in Montreal?
When it is 6:00 PM in Montreal, it is 5:00 PM in Port Arthur.
When do working hours in Montreal and in Port Arthur, TX, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Montreal, which is 9:00 AM to 5:00 PM in Port Arthur.
Until what time in Montreal is it still yesterday in Port Arthur, TX?
Before 1:00 AM in Montreal, the date in Port Arthur has not changed yet. From 11:00 PM in Port Arthur, it is already the next day in Montreal.
Does the time gap between Montreal and Port Arthur, TX, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 1 hour.
