Current Time in Newcastle, Weston County, Wyoming, USA

4:36:14 PM

16:36:14

MDT (Mountain Daylight Time) · UTC−06:00

America/Denver

Clock format
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Time zone details

Newcastle is observing daylight saving time in 2026

Daylight in Newcastle

Sunrise7:24 AMSolar noon12:40 PMSunset5:56 PM
Next clock changeNov 1, 2026 · Clocks move back 1 hour · in 6 days 9 hoursUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
USA
State
Wyoming
County
Weston County
Place type
City or town
Country currency
US Dollar (USD)

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
3,534
Elevation
1,319 m

Geography

Geographic coordinates
43° 51' N / 104° 12' W
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Convert Newcastle time

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Clock changes in Newcastle

Next clock change

Upcoming

2:00 AM MDT1:00 AM MST

Clocks move back 1 hour

2026

  1. past

    Daylight saving time starts

    2:00 AM MST3:00 AM MDT

    Clocks move forward 1 hour

  2. upcoming

    Daylight saving time ends

    2:00 AM MDT1:00 AM MST

    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 32 min2 min 48 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Full MoonMoon illumination100%
View full Sun & Moon detailsHide full Sun & Moon details

Sunday, October 25, 2026

View Newcastle on SavvyTime's time-zone map

Sun

Sunrise
Sunset
Day length
10 hr 32 min2 min 48 sec shorter than the previous day
Solar noon
(33.9° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Full Moon (100% illuminated)
Moonrise
Moonset
Previous principal phase
First Quarter — Sunday, October 18, 2026 at
Next principal phase
Full Moon — Sunday, October 25, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 32 min2 min 48 sec shorter than the previous day
10 hr 29 min2 min 47 sec shorter than the previous day
10 hr 27 min2 min 46 sec shorter than the previous day
10 hr 24 min2 min 45 sec shorter than the previous day
10 hr 21 min2 min 44 sec shorter than the previous day
10 hr 18 min2 min 43 sec shorter than the previous day
10 hr 16 min2 min 42 sec shorter than the previous day

Weather forecast for Newcastle

Temperature unit

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Plan around Newcastle

Upcoming public holidays in Wyoming

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

Nearby places

Rapid CityPennington County82 kmE
Browse places in USA

Frequently asked questions

What time zone is Newcastle in?
Newcastle uses Mountain Standard Time (MST, UTC−7) in winter and Mountain Daylight Time (MDT, UTC−6) in summer. Its IANA time zone is America/Denver.
When is the next clock change in Newcastle?
Clocks in Newcastle move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from MDT (UTC−06:00) to MST (UTC−07:00)
Does Newcastle observe daylight saving time?
Yes. Newcastle observes daylight saving time: MDT (UTC−6) in summer and MST (UTC−7) in winter.
What is the UTC offset of Newcastle?
Newcastle is UTC−7 in winter and UTC−6 in summer