Current Time in Castlerock, Causeway Coast and Glens, Northern Ireland, United Kingdom

9:19:11 AM

09:19:11

GMT (Greenwich Mean Time) · UTC

Europe/London

Clock format
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Time zone details

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

Daylight in Castlerock

Sunrise7:53 AMSolar noon12:11 PMSunset4:28 PM
Next clock changeMar 28, 2027 · Clocks move forward 1 hour · in 135 daysUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
United Kingdom
Administrative area
Northern Ireland
District
Causeway Coast and Glens
Place type
Populated place
Country currency
British Pound (GBP)

Practical

Country languages
English, Welsh, Scottish Gaelic
Dialing code
+44
Population
1,477
Elevation
Approximately 54 m (DEM estimate)

Geography

Geographic coordinates
55° 08' N / 6° 46' W
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Convert Castlerock time

Compare Castlerock with another city or time zone

Clock changes in Castlerock

Next clock change

Upcoming

1:00 AM GMT2:00 AM BST

Clocks move forward 1 hour

2026

  1. past

    Daylight saving time starts

    1:00 AM GMT2:00 AM BST

    Clocks move forward 1 hour

  2. past

    Daylight saving time ends

    2:00 AM BST1:00 AM GMT

    Clocks move back 1 hour

Future clock changes, 2027–2030
United Kingdom daylight saving timeClock changes worldwide

Sun & Moon details

Sun

Sunrise
Solar noon
Sunset
Daylight duration
8 hr 34 min3 min 47 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Waxing CrescentMoon illumination10%
View full Sun & Moon detailsHide full Sun & Moon details

Thursday, November 12, 2026

View Castlerock on Savvy Time's time-zone map

Sun

Sunrise
Sunset
Day length
8 hr 34 min3 min 47 sec shorter than the previous day
Solar noon
(17.1° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Waxing Crescent (10% illuminated)
Moonrise
Moonset
Previous principal phase
New Moon — Monday, November 9, 2026 at
Next principal phase
First Quarter — Tuesday, November 17, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
8 hr 34 min3 min 47 sec shorter than the previous day
8 hr 31 min3 min 45 sec shorter than the previous day
8 hr 27 min3 min 41 sec shorter than the previous day
8 hr 23 min3 min 39 sec shorter than the previous day
8 hr 20 min3 min 35 sec shorter than the previous day
8 hr 16 min3 min 32 sec shorter than the previous day
8 hr 13 min3 min 28 sec shorter than the previous day

Weather forecast for Castlerock

Temperature unit

Loading weather forecast…

Plan around Castlerock

Upcoming public holidays in Northern Ireland

  1. Christmas Day
  2. Boxing Day
  3. Boxing Day (substitute day)

Nearby places

ColeraineCauseway Coast and Glens8 kmEDerryDerry City and Strabane38 kmSWLondonderry County BoroughDerry City and Strabane38 kmSWBallymenaMid and East Antrim45 kmSEAntrimAntrim and Newtownabbey62 kmSELetterkennyCounty Donegal64 kmWOmaghFermanagh and Omagh70 kmSWLarneMid and East Antrim70 kmSENewtownabbeyAntrim and Newtownabbey78 kmSE
Browse places in United Kingdom

Frequently asked questions

What time zone is Castlerock in?
Castlerock uses Greenwich Mean Time (GMT, UTC+0) in winter and British Summer Time (BST, UTC+1) in summer. Its IANA time zone is Europe/London.
When is the next clock change in Castlerock?
Clocks in Castlerock move forward 1 hour on Sunday, March 28, 2027 at 1:00 AM, changing from GMT (UTC) to BST (UTC+01:00)
Does Castlerock observe daylight saving time?
Yes. Castlerock observes daylight saving time: BST (UTC+1) in summer and GMT (UTC+0) in winter.
What is the UTC offset of Castlerock?
Castlerock is UTC+0 in winter and UTC+1 in summer