Current Time in Old Greenwich, Western Connecticut Planning Region, Connecticut, USA

6:23:19 AM

06:23:19

EDT (Eastern Daylight Time) · UTC−04:00

America/New_York

Clock format
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Time zone details

Old Greenwich is observing daylight saving time in 2026

Daylight in Old Greenwich

Sunrise7:22 AMSolar noon12:37 PMSunset5:52 PM
Next clock changeNov 1, 2026 · Clocks move back 1 hour · in 1 day 19 hoursUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
USA
State
Connecticut
County
Western Connecticut Planning Region
Place type
Populated place
Country currency
US Dollar (USD)

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
6,611
Elevation
8 m

Geography

Geographic coordinates
41° 01' N / 73° 33' W
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Convert Old Greenwich time

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Clock changes in Old Greenwich

Next clock change

Upcoming

2:00 AM EDT1:00 AM EST

Clocks move back 1 hour

2026

  1. past

    Daylight saving time starts

    2:00 AM EST3:00 AM EDT

    Clocks move forward 1 hour

  2. upcoming

    Daylight saving time ends

    2:00 AM EDT1:00 AM EST

    Clocks move back 1 hour

Future clock changes, 2027–2030
USA daylight saving timeClock changes worldwide

Sun & Moon details

Sun

Sunrise
Solar noon
Sunset
Daylight duration
10 hr 30 min2 min 27 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Waning GibbousMoon illumination74%
View full Sun & Moon detailsHide full Sun & Moon details

Friday, October 30, 2026

View Old Greenwich on SavvyTime's time-zone map

Sun

Sunrise
Sunset
Day length
10 hr 30 min2 min 27 sec shorter than the previous day
Solar noon
(35.1° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Waning Gibbous (74% illuminated)
Moonrise
Moonset
Previous principal phase
Full Moon — Monday, October 26, 2026 at
Next principal phase
Third Quarter — Sunday, November 1, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 30 min2 min 27 sec shorter than the previous day
10 hr 27 min2 min 26 sec shorter than the previous day
10 hr 25 min2 min 24 sec shorter than the previous day
10 hr 22 min2 min 23 sec shorter than the previous day
10 hr 20 min2 min 22 sec shorter than the previous day
10 hr 18 min2 min 21 sec shorter than the previous day
10 hr 15 min2 min 19 sec shorter than the previous day

Weather forecast for Old Greenwich

Temperature unit

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Plan around Old Greenwich

Upcoming public holidays in Connecticut

  1. Veterans Day
  2. Thanksgiving Day
  3. Christmas Day

Nearby places

StamfordWestern Connecticut Planning Region4 kmNEPort ChesterWestchester County9 kmWDarienWestern Connecticut Planning Region10 kmNERyeWestchester County11 kmSWNorth StamfordWestern Connecticut Planning Region13 kmNHarrisonWestchester County14 kmSWNew CanaanWestern Connecticut Planning Region15 kmNEMamaroneckWestchester County16 kmSWWhite PlainsWestchester County17 kmWEast NorwalkWestern Connecticut Planning Region17 kmNENorwalkWestern Connecticut Planning Region17 kmNEScarsdaleWestchester County19 kmW
Browse places in USA

Frequently asked questions

What time zone is Old Greenwich in?
Old Greenwich 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 Old Greenwich?
Clocks in Old Greenwich move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from EDT (UTC−04:00) to EST (UTC−05:00)
Does Old Greenwich observe daylight saving time?
Yes. Old Greenwich observes daylight saving time: EDT (UTC−4) in summer and EST (UTC−5) in winter.
What is the UTC offset of Old Greenwich?
Old Greenwich is UTC−5 in winter and UTC−4 in summer