Current Time in Castlereagh, Northern Ireland, United Kingdom
12:50:11 PM
12:50:11
GMT (Greenwich Mean Time) · UTC
Europe/London
Time zone details
Castlereagh is currently on standard time; daylight saving time is observed 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
- Country 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
Castlereagh follows the same clock and daylight-saving rules as London
Popular conversions (current offsets)
All times shown relative to Castlereagh local time
Clock changes in Castlereagh
1:00 AM GMT2:00 AM BST
Clocks move forward 1 hour
2026
past
Daylight saving time starts
1:00 AM GMT2:00 AM BST
Clocks move forward 1 hour
past
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
- 9 hr 18 min4 min 2 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Monday, November 2, 2026
View Castlereagh on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 9 hr 18 min4 min 2 sec shorter than the previous day
- Solar noon
- (20.6° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Third Quarter (43% illuminated)
- Moonrise
- No event on this local date
- Moonset
- Previous principal phase
- Third Quarter — Sunday, November 1, 2026 at
- Next principal phase
- New Moon — Monday, November 9, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 9 hr 18 min | 4 min 2 sec shorter than the previous day | |||
| 9 hr 14 min | 4 min shorter than the previous day | |||
| 9 hr 10 min | 3 min 59 sec shorter than the previous day | |||
| 9 hr 06 min | 3 min 57 sec shorter than the previous day | |||
| 9 hr 02 min | 3 min 55 sec shorter than the previous day | |||
| 8 hr 58 min | 3 min 53 sec shorter than the previous day | |||
| 8 hr 54 min | 3 min 51 sec shorter than the previous day |
Weather forecast for Castlereagh
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Plan around Castlereagh
Upcoming 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 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 Castlereagh?
- Clocks in Castlereagh move forward 1 hour on Sunday, March 28, 2027 at 1:00 AM, changing from GMT (UTC) to BST (UTC+01:00)
- Does Castlereagh observe daylight saving time?
- Yes. Castlereagh observes daylight saving time: BST (UTC+1) in summer and GMT (UTC+0) in winter.
- What is the UTC offset of Castlereagh?
- Castlereagh is UTC+0 in winter and UTC+1 in summer