Time in Castlereagh, United Kingdom now
2:25:56 PM
Monday, July 6, 2026
BST · UTC+01:00
Time zone
BST
UTC+01:00
Europe/London
Daylight saving
On (DST in effect)
Back 1h on
October 25, 2026
Sun
↑ 4:56 AM ↓ 9:59 PM
Day length 17h 3m
Solar noon 1:28 PM
Time difference
Calculating the difference from your location…
Nearby cities in Northern Ireland (8)
Castlereagh facts
- Country
- United Kingdom
- Region
- Northern Ireland
- Coordinates
- 54.5735, -5.8847
- Population
- 56,679
Frequently asked
What time is it in Castlereagh right now?
The current local time in Castlereagh is shown above and updates live every second. Castlereagh is on BST (UTC+01:00).
What time zone is Castlereagh in?
Castlereagh uses the Europe/London time zone, currently BST (UTC+01:00).
Is Castlereagh on daylight saving time?
Yes. Castlereagh is currently observing daylight saving time (BST, UTC+01:00). Clocks change next on October 25, 2026.
What is the time difference between Castlereagh and New York?
New York is −5h relative to Castlereagh (New York is currently 9:25 AM).
Live clock; time-zone & DST data from the IANA Time Zone Database.
