What is the ISO week number in South Portland?

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

Time in South Portland, Maine, United States — Local Time & Date

Live

--:--:--

Current local time in 🇺🇸 South Portland, Maine, United States.

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

06:57

18:25

Today

Morning rush in South Portland. Commuters fill the streets, cafés are buzzing. 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	🇺🇸United States
State / Region	Maine
Timezone	EST/EDT
UTC Offset	UTC-04:00
DST	Yes — daylight saving time observed
Population	25,556
Elevation	10 m
Sunrise	06:57
Sunset	18:25
Coordinates	43.64°N, -70.24°E

Map

Map data © OpenStreetMap contributors

Time Difference to Major Cities

City	Difference	Local Time
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 South Portland?

Standard business hours in South Portland 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 South Portland?

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

What ISO week number is it in South Portland?

It is currently ISO week 11 (odd week) in South Portland. 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 South Portland observe daylight saving time?

Yes, South Portland 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.