What is the ISO week number in Port Colborne?

TimeDials shows the current ISO week number for Port Colborne in real time. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year.

Does Port Colborne observe daylight saving time (DST)?

Yes, Port Colborne observes daylight saving time. The next clock change is on 2026-11-01 (clocks move back to GMT-5).

Time in Port Colborne, Ontario, Canada — Local Time & Date

Live

--:--:--

Current local time in 🇨🇦 Port Colborne, Ontario, Canada.

EST/EDT UTC-04:00

Relative to You

Detecting your timezone…

Relative to UTC

-4 hours behind

Noon here = 16:00 UTC

09:00 here = 13:00 UTC

12:00 here = 16:00 UTC

17:00 here = 21:00 UTC

ISO Week

11 Odd Week

Sun

07:32

19:02

Today

Port Colborne is waking up — early risers grab coffee before the day begins. The current offset is UTC-04:00.

Daylight Saving Time

Last Clock Change

2026-03-08

Clocks moved forward to GMT-4

Next Clock Change

2026-11-01

Clocks will move back to GMT-5

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Quick Facts

Country	🇨🇦Canada
State / Region	Ontario
Timezone	EST/EDT
UTC Offset	UTC-04:00
DST	Yes — daylight saving time observed
Population	18,306
Elevation	188 m
Sunrise	07:32
Sunset	19:02
Coordinates	42.90°N, -79.23°E

Map

Map data © OpenStreetMap contributors

Time Difference to Major Cities

City	Difference	Local Time
New York	+0h	--:--
Los Angeles	-3h	--:--
London	+4h	--:--
Paris	+5h	--:--
Dubai	+8h	--:--
Mumbai	+9h 30m	--:--
Singapore	+12h	--:--
Tokyo	+13h	--:--
Sydney	+15h	--:--
Sao Paulo	+1h	--:--
Cairo	+6h	--:--
Shanghai	+12h	--:--

Frequently Asked Questions

What are the business hours in Port Colborne?

Standard business hours in Port Colborne are 09:00–17:00 local time (EST/EDT). Check the live clock above to see the current local time. Use our Time Zone Planner to find the best meeting time across cities.

What is the UTC offset for Port Colborne?

Port Colborne is currently at UTC-04:00. The timezone identifier is EST/EDT. When it is noon in Port Colborne, it is 16:00 UTC. You can embed a live Port Colborne clock on your website.

What ISO week number is it in Port Colborne?

It is currently ISO week 11 (odd week) in Port Colborne. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year. Learn more about ISO week numbers.

Does Port Colborne observe daylight saving time?

Yes, Port Colborne observes daylight saving time (DST). The most recent change was on 2026-03-08, when clocks moved forward to GMT-4. The next change is on 2026-11-01, when clocks will move back to GMT-5.