Castlerock in numbers
- Coordinates
- 55.1500, -6.7833
- Population
- 1 477
- Region
- Northern Ireland
- Country
- United Kingdom, Europe
- Capital
- London — 599 km away
This page shows what the clocks read right now in Castlerock, Northern Ireland, United Kingdom, in the Europe/London zone (+0).
Castlerock, United Kingdom
Monday, 9 November 2026
UTC+0 · Europe/London
Local time in Castlerock
UTC+0 · no daylight saving time
Castlerock keeps Europe/London clock_time.
Sunrise 7:48 AM Solar noon 12:12 PM Sunset 4:36 PM Daylight 8 h 48 min Night 15 h 12 min Civil twilight 7:08 AM – 5:16 PM
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
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.
Postal designations for Castlerock total 1.
The zone covering Castlerock is called Europe/London and stands at UTC+0. Seasonal clock changes apply: No.
Sunrise at Castlerock today happens at 7:48 AM, sunset at 4:36 PM. The two are 8 h 48 min apart.
The same hours are kept in Castlerock and in nearby Articlave and Portstewart.