What time zone is South Yarmouth in?

South Yarmouth uses Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer. Its IANA time zone is America/New_York.

When is the next clock change in South Yarmouth?

Clocks in South Yarmouth move forward 1 hour on Sunday, March 14, 2027 at 2:00 AM, changing from EST (UTC−05:00) to EDT (UTC−04:00)

Does South Yarmouth observe daylight saving time?

Yes. South Yarmouth observes daylight saving time: EDT (UTC−4) in summer and EST (UTC−5) in winter.

What is the UTC offset of South Yarmouth?

South Yarmouth is UTC−5 in winter and UTC−4 in summer

Current Time in South Yarmouth, Barnstable County, Massachusetts, USA

6:47:46 AM

06:47:46

Sunday, November 15, 2026

EST (Eastern Standard Time) · UTC−05:00

America/New_York

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Time zone details

South Yarmouth is currently on standard time; daylight saving time is observed in 2026

Daylight in South Yarmouth

Sunrise6:29 AMSolar noon11:25 AMSunset4:20 PM

Next clock changeMar 14, 2027 · Clocks move forward 1 hour · in 118 daysUpcomingView details Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: USA
State: Massachusetts
County: Barnstable County
Place type: Populated place
Country currency: US Dollar (USD)

Practical

Country languages: English, Spanish, Hawaiian, French
Dialing code: +1
Population: 11,092
Elevation: 6 m

Geography

Geographic coordinates: 41° 40' N / 70° 11' W

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Clock changes in South Yarmouth

Next clock change

Upcoming

Sunday, March 14, 2027

2:00 AM EST3:00 AM EDT

Clocks move forward 1 hour

Sunday, March 8, 2026past
Daylight saving time starts
2:00 AM EST3:00 AM EDT
Clocks move forward 1 hour
Sunday, November 1, 2026past
Daylight saving time ends
2:00 AM EDT1:00 AM EST
Clocks move back 1 hour

Future clock changes, 2027–2030

USA daylight saving time Clock changes worldwide

Sun & Moon details

Sunrise: 6:29 AM
Solar noon: 11:25 AM
Sunset: 4:20 PM
Daylight duration: 9 hr 50 min2 min 5 sec shorter than the previous day

Civil twilight: 6:00 AM – 4:50 PM
Nautical twilight: 5:26 AM – 5:23 PM
Astronomical twilight: 4:53 AM – 5:56 PM

First QuarterMoon illumination33%

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Sunday, November 15, 2026

View South Yarmouth on Savvy Time's time-zone map

Sun

Sunrise: 6:29 AM (southeast, 114.4°)
Sunset: 4:20 PM (southwest, 245.5°)
Day length: 9 hr 50 min2 min 5 sec shorter than the previous day
Solar noon: 11:25 AM (29.8° altitude)

Civil twilight

Dawn to dusk: 6:00 AM – 4:50 PM

Additional twilight

Nautical dawn to dusk: 5:26 AM – 5:23 PM
Astronomical dawn to dusk: 4:53 AM – 5:56 PM

Moon

Phase: First Quarter (33% illuminated)
Moonrise: 11:48 AM (southeast, 118.9°)
Moonset: 9:30 PM (southwest, 243.3°)
Previous principal phase: New Moon — Monday, November 9, 2026 at 2:02 AM
Next principal phase: First Quarter — Tuesday, November 17, 2026 at 6:48 AM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Sunday, November 15	6:29 AM	4:20 PM	9 hr 50 min	2 min 5 sec shorter than the previous day
Monday, November 16	6:31 AM	4:19 PM	9 hr 48 min	2 min 2 sec shorter than the previous day
Tuesday, November 17	6:32 AM	4:18 PM	9 hr 46 min	2 min 1 sec shorter than the previous day
Wednesday, November 18	6:33 AM	4:17 PM	9 hr 44 min	1 min 58 sec shorter than the previous day
Thursday, November 19	6:34 AM	4:17 PM	9 hr 43 min	1 min 56 sec shorter than the previous day
Friday, November 20	6:35 AM	4:16 PM	9 hr 41 min	1 min 53 sec shorter than the previous day
Saturday, November 21	6:37 AM	4:15 PM	9 hr 39 min	1 min 51 sec shorter than the previous day

Weather forecast for South Yarmouth

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Plan around South Yarmouth

Upcoming public holidays in Massachusetts

Thu, Nov 26, 2026Thanksgiving Day
Fri, Dec 25, 2026Christmas Day
Fri, Jan 1, 2027New Year's Day

Nearby places

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Frequently asked questions

What time zone is South Yarmouth in?: South Yarmouth uses Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer. Its IANA time zone is America/New_York.
When is the next clock change in South Yarmouth?: Clocks in South Yarmouth move forward 1 hour on Sunday, March 14, 2027 at 2:00 AM, changing from EST (UTC−05:00) to EDT (UTC−04:00)
Does South Yarmouth observe daylight saving time?: Yes. South Yarmouth observes daylight saving time: EDT (UTC−4) in summer and EST (UTC−5) in winter.
What is the UTC offset of South Yarmouth?: South Yarmouth is UTC−5 in winter and UTC−4 in summer