Castlerock in numbers
- Coordinates
- 55.1500, -6.7833
- Population
- 1 477
- Region
- Northern Ireland
- Country
- United Kingdom, Europe
- Capital
- London — 599 km away
What time is it in Castlerock, Northern Ireland, United Kingdom
This page shows what the clocks read right now in Castlerock, Northern Ireland, United Kingdom, in the Europe/London zone (+1).
Castlerock, United Kingdom
Saturday, 17 October 2026
UTC+1 · Europe/London
Local time in Castlerock
UTC+1 · daylight saving time is active
Castlerock keeps Europe/London clock_time.
The sun today
Sunrise 8:01 AM Solar noon 1:14 PM Sunset 6:26 PM Daylight 10 h 25 min Night 13 h 35 min Civil twilight 7:24 AM – 7:03 PM
Weather in Castlerock right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Castlerock and its neighbours
Postal codes
- BT51
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Northern Ireland
- Belfast 348 005
- Londonderry County Borough 87 153
- Derry 83 652
- Lisburn 77 506
- Newtownabbey 63 860
- Bangor 61 011
Same time zone — Europe/London
- London United Kingdom
- Birmingham United Kingdom
- Glasgow United Kingdom
Nearby places
- Articlave — 0.8 km
- Portstewart — 5.6 km
- Macosquin — 7.0 km
- Coleraine — 7.6 km
- Portrush — 9.9 km
- Ballynacanon — 10.2 km
Castlerock: clock, sun and surroundings
Postal designations for Castlerock total 1.
The zone covering Castlerock is called Europe/London and stands at UTC+1. Seasonal clock changes apply: Yes.
Sunrise at Castlerock today happens at 8:01 AM, sunset at 6:26 PM. The two are 10 h 25 min apart.
The same hours are kept in Castlerock and in nearby Articlave and Portstewart.
Questions and answers
- How is the time zone in Castlerock listed?
- The time zone in Castlerock is listed as Europe/London, with an offset of +1.
- Does the local schedule in Castlerock include a clock change?
- Yes.
- Is there a set time for sunrise in Castlerock?
- Today the sun rises at 8:01 AM.