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

11:54:37 PM

23:54:37

BST (British Summer Time) · UTC+01:00

Europe/London

Clock format
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Time zone details

Castlerock is observing daylight saving time in 2026

Daylight in Castlerock

Sunrise8:06 AMSolar noon1:11 PMSunset6:16 PM
Next clock changeOct 25, 2026 · Clocks move back 1 hour · in 4 days 2 hoursUpcomingView 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

2:00 AM BST1:00 AM GMT

Clocks move back 1 hour

2026

  1. past

    Daylight saving time starts

    1:00 AM GMT2:00 AM BST

    Clocks move forward 1 hour

  2. upcoming

    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
10 hr 09 min4 min 22 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
First QuarterMoon illumination67%
View full Sun & Moon detailsHide full Sun & Moon details

Tuesday, October 20, 2026

View Castlerock on SavvyTime's time-zone map

Sun

Sunrise
Sunset
Day length
10 hr 09 min4 min 22 sec shorter than the previous day
Solar noon
(24.4° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
First Quarter (67% illuminated)
Moonrise
Moonset
Previous principal phase
First Quarter — Sunday, October 18, 2026 at
Next principal phase
Full Moon — Monday, October 26, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 09 min4 min 22 sec shorter than the previous day
10 hr 05 min4 min 21 sec shorter than the previous day
10 hr 01 min4 min 20 sec shorter than the previous day
9 hr 56 min4 min 19 sec shorter than the previous day
9 hr 52 min4 min 19 sec shorter than the previous day
9 hr 48 min4 min 17 sec shorter than the previous day
9 hr 43 min4 min 17 sec shorter than the previous day

Weather forecast for Castlerock

Temperature unit

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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 backward 1 hour on Sunday, October 25, 2026 at 2:00 AM, changing from BST (UTC+01:00) to GMT (UTC)
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