Current Time in Castlereagh, Northern Ireland, United Kingdom
8:23:13 PM
20:23:13
BST (British Summer Time) · UTC+01:00
Europe/London
Time zone details
Castlereagh is observing daylight saving time in 2026
Daylight in Castlereagh
Location facts
Place
- Country
- United Kingdom
- Administrative area
- Northern Ireland
- District
- City of Belfast
- Place type
- City or town
- Country currency
- British Pound (GBP)
Practical
- Languages
- English, Welsh, Scottish Gaelic
- Dialing code
- +44
- Population
- 56,679
- Elevation
- Approximately 29 m (DEM estimate)
Geography
- Geographic coordinates
- 54° 34' N / 5° 53' W
Convert Castlereagh time
Compare Castlereagh with another city or time zone
Popular conversions (current offsets)
All times shown relative to Castlereagh local time
Clock changes in Castlereagh
2:00 AM BST1:00 AM GMT
Clocks move back 1 hour
2026
past
Daylight saving time starts
1:00 AM GMT2:00 AM BST
Clocks move forward 1 hour
upcoming
Daylight saving time ends
2:00 AM BST1:00 AM GMT
Clocks move back 1 hour
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 12 hr 53 min4 min 21 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Sunday, September 13, 2026
View Castlereagh on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 12 hr 53 min4 min 21 sec shorter than the previous day
- Solar noon
- (39.1° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Waxing Crescent (6% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Friday, September 11, 2026 at
- Next principal phase
- First Quarter — Friday, September 18, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 12 hr 53 min | 4 min 21 sec shorter than the previous day | |||
| 12 hr 48 min | 4 min 22 sec shorter than the previous day | |||
| 12 hr 44 min | 4 min 22 sec shorter than the previous day | |||
| 12 hr 40 min | 4 min 21 sec shorter than the previous day | |||
| 12 hr 35 min | 4 min 22 sec shorter than the previous day | |||
| 12 hr 31 min | 4 min 22 sec shorter than the previous day | |||
| 12 hr 27 min | 4 min 23 sec shorter than the previous day |
Weather forecast for Castlereagh
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Plan around Castlereagh
Time context
Castlereagh follows the same clock and daylight-saving rules as London
Current time offsetUTC+01:00 (BST)
View time differencesUpcoming public holidays in Northern Ireland
- Christmas Day
- Boxing Day
- Boxing Day (substitute day)
Nearby scheduled airports for Castlereagh, Northern Ireland, United Kingdom
George Best Belfast City AirportBHDMedium airport · Serves Belfast5.0 km north
Source: OurAirports record · BHD / EGAC
About 5.0 km (3.1 mi) north of Castlereagh
Scheduled airline service in source data
Belfast International AirportBFSLarge airport · Serves Belfast23.3 km west-northwest
Source: OurAirports record · BFS / EGAA
About 23.3 km (14.5 mi) west-northwest of Castlereagh
Scheduled airline service in source data
Campbeltown AirportCALMedium airport · Serves Campbeltown96.9 km north
Source: OurAirports record · CAL / EGEC
About 96.9 km (60.2 mi) north of Castlereagh
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Castlereagh in?
- Castlereagh currently uses British Summer Time (BST). Its IANA time zone is Europe/London.
- When is the next clock change in Castlereagh?
- Clocks in Castlereagh move backward 1 hour on Sunday, October 25, 2026 at 2:00 AM, changing from BST (UTC+01:00) to GMT (UTC)
- Is Castlereagh currently on daylight saving time?
- Castlereagh is observing daylight saving time in 2026
- What is the UTC offset in Castlereagh right now?
- Castlereagh is currently UTC+01:00