Current Time in Williamstown, Dauphin County, Pennsylvania, USA

12:02:35 PM

12:02:35

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

America/New_York

Clock format
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Time zone details

Williamstown is currently on standard time; daylight saving time is observed in 2026

Daylight in Williamstown

Sunrise6:39 AMSolar noon11:50 AMSunset5:00 PM
Next clock changeMar 14, 2027 · Clocks move forward 1 hour · in 130 daysUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
USA
State
Pennsylvania
County
Dauphin County
Place type
Populated place
Country currency
US Dollar (USD)

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
1,375
Elevation
223 m

Geography

Geographic coordinates
40° 34' N / 76° 37' W
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Clock changes in Williamstown

Next clock change

Upcoming

2:00 AM EST3:00 AM EDT

Clocks move forward 1 hour

2026

  1. past

    Daylight saving time starts

    2:00 AM EST3:00 AM EDT

    Clocks move forward 1 hour

  2. past

    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 21 min2 min 20 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Waning CrescentMoon illumination30%
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Tuesday, November 3, 2026

View Williamstown on SavvyTime's time-zone map

Sun

Sunrise
Sunset
Day length
10 hr 21 min2 min 20 sec shorter than the previous day
Solar noon
(34.2° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Waning Crescent (30% illuminated)
Moonrise
Moonset
Previous principal phase
Third Quarter — Sunday, November 1, 2026 at
Next principal phase
New Moon — Monday, November 9, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 21 min2 min 20 sec shorter than the previous day
10 hr 19 min2 min 18 sec shorter than the previous day
10 hr 17 min2 min 17 sec shorter than the previous day
10 hr 15 min2 min 15 sec shorter than the previous day
10 hr 12 min2 min 14 sec shorter than the previous day
10 hr 10 min2 min 13 sec shorter than the previous day
10 hr 08 min2 min 11 sec shorter than the previous day

Weather forecast for Williamstown

Temperature unit

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Plan around Williamstown

Upcoming public holidays in Pennsylvania

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

Nearby places

LebanonLebanon County32 kmSEHarrisburgDauphin County41 kmSWCarlisleCumberland County64 kmSWReadingBerks County64 kmSELancasterLancaster County66 kmSEHazletonLuzerne County69 kmNEYorkYork County69 kmSWilliamsportLycoming County80 kmNWPottstownMontgomery County90 kmSEHanoverYork County92 kmSWhitehall TownshipLehigh County95 kmEAllentownLehigh County95 kmE
Browse places in USA

Frequently asked questions

What time zone is Williamstown in?
Williamstown 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 Williamstown?
Clocks in Williamstown 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 Williamstown observe daylight saving time?
Yes. Williamstown observes daylight saving time: EDT (UTC−4) in summer and EST (UTC−5) in winter.
What is the UTC offset of Williamstown?
Williamstown is UTC−5 in winter and UTC−4 in summer