Montreal to Port Arthur time converter

Port Arthur is 1 hour behind Montreal. When it is 9:00 AM in Montreal, it is 8:00 AM in Port Arthur.

Montreal EDT

Wednesday, October 21, 2026

Port Arthur CDT

Wednesday, October 21, 2026

Montreal
Quebec, Canada
Wed, Oct 21
EDTUTC-4
Port Arthur
Texas, United States
Wed, Oct 21
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Montreal to Port Arthur conversion table

Every hour of today in Montreal and the matching time in Port Arthur. Light rows are typical working hours (9:00–18:00).

MontrealPort Arthur
12:00 AM11:00 PM−1 day
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Montreal (9:00 AM – 5:00 PM in Port Arthur).

Daylight saving time and the difference

The difference changes during the year because Montreal and Port Arthur switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: -1h
  • Mar 14, 2027 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 21, 2027: -1h

Distance

Montreal and Port Arthur are 2,481 km (1,542 miles) apart in a straight line.

More conversions

Port Arthur to MontrealMontreal to New YorkMontreal to LondonMontreal to Los AngelesMontreal to ChicagoMontreal to TorontoMontreal to São PauloMontreal to ParisMontreal to BerlinMontreal to MoscowMontreal to DubaiMontreal to New DelhiMontreal to Bangkok
New York to Port ArthurLondon to Port ArthurLos Angeles to Port ArthurChicago to Port ArthurToronto to Port ArthurSão Paulo to Port ArthurParis to Port ArthurBerlin to Port ArthurMoscow to Port ArthurDubai to Port ArthurNew Delhi to Port ArthurBangkok to Port Arthur

Questions and answers

What is the time difference between Montreal and Port Arthur?

Port Arthur is 1 hour behind Montreal.

What time is it in Port Arthur when it is 9 AM in Montreal?

When it is 9:00 AM in Montreal, it is 8:00 AM in Port Arthur.

When is the best time to call Port Arthur from Montreal?

Both sides are at work from 10:00 AM – 6:00 PM in Montreal (9:00 AM – 5:00 PM in Port Arthur).

Does the time difference between Montreal and Port Arthur change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.