Right now, local time in Castlereagh is 13:19 (GMT, UTC+00:00), and today is Monday, November 2, 2026. The live clock above updates every second.
Castlereagh ranks #10982 worldwide by population and #218 in United Kingdom.
Time zone info
- Time zone
- Europe/London GMT
- UTC offset
- UTC+00:00
- Daylight saving
- Yes, in force now ✅ — Clocks go forward by 1 hour on March 28, 2027
- Solar time
- Clocks run about 8m behind the sun
- ISO week
- Week 45
Sunrise, sunset & moon today
- Sunrise
- 07:28
- Sunset
- 16:48
- Day length
- 9h 20m
- Solar noon
- 12:08
- Daylight range
- 7h 15m (winter) – 17h 16m (summer)
- Moon phase
- 🌗 Last Quarter · 50% illuminated
Full sunrise & sunset timetable for Castlereagh — golden hour, twilight and month view →
📍 Location & geography
- Coordinates
- 54.5735° N, 5.8847° W
- Hemisphere
- Northern · Western
- Elevation
- At or near sea level
- Region
- Northern Ireland
- Country
- 🇬🇧 United Kingdom
- Population
- 56,679 · #10982 worldwide
🌍 Antipode — the opposite side of the Earth
Dig straight down from Castlereagh through the centre of the Earth and you surface on the far side of the planet, at the antipode.
- Antipode coordinates
- 54.57° S, 174.12° E
- Hemisphere
- Southern · Eastern
- What lies there
- Open ocean or remote wilderness — the nearest city we track is Papatowai, New Zealand, 949 km away
- Through the Earth
- ≈ 12,742 km in a straight line (≈ 20,015 km along the surface)
🕌 Prayer times in Castlereagh today MWL
- Fajr
- 05:25
- Sunrise
- 07:28
- Dhuhr
- 12:08
- Asr
- 14:17
- Maghrib
- 16:46
- Isha
- 18:41
- Qibla direction
- 115.5° from north (ESE (116°))
Full prayer timetable for Castlereagh — this month, 7-day forecast and Qibla →
Castlereagh sits in the Europe/London time zone, UTC+00:00. The clocks are currently shifted forward for daylight saving time. Today brings 9h 20m of daylight, and nights are longer than days. It is one of the 4644 cities we cover in United Kingdom.
Castlereagh's nearest major hub of the ones tracked below is London, 514 km away; even Sydney lies some 17,105 km off. Its position on the globe is 54.57° N, 5.88° W, and the point on the exact opposite side of the Earth is described in the antipode section below.
Time difference with major cities
| Los Angeles | 05:19 | −8h |
| Chicago | 07:19 | −6h |
| São Paulo | 10:19 | −3h |
| London | 13:19 | same time |
| Paris | 14:19 | +1h |
| Moscow | 16:19 | +3h |
| Dubai | 17:19 | +4h |
| Mumbai | 18:49 | +5h 30m |
| Singapore | 21:19 | +8h |
| Hong Kong | 21:19 | +8h |
| Tokyo | 22:19 | +9h |
| Sydney | 00:19 | +11h |
Best time to call Castlereagh
Standard business hours (9:00 – 17:00) in major hubs, expressed in Castlereagh local time:
Cities sharing Castlereagh's time zone
Distances from Castlereagh
| London | 514 km | SE (129°) |
| Paris | 851 km | SE (135°) |
| Moscow | 2,721 km | ENE (69°) |
| Chicago | 5,860 km | WNW (292°) |
| Dubai | 5,905 km | E (98°) |
| Mumbai | 7,576 km | E (88°) |
| Los Angeles | 8,242 km | NW (307°) |
| Tokyo | 9,452 km | NNE (27°) |
| São Paulo | 9,516 km | SW (217°) |
| Hong Kong | 9,747 km | NE (53°) |
| Singapore | 11,136 km | ENE (73°) |
| Sydney | 17,105 km | NE (47°) |
Cities near Castlereagh
- Belfast4 km · 13:19
- Carryduff6 km · 13:19
- Holywood8 km · 13:19
- Dundonald6 km · 13:19
- Newtownabbey10 km · 13:19
- Jordanstown12 km · 13:19
- Ballygowan10 km · 13:19
- Saintfield13 km · 13:19
FAQ
What time is it in Castlereagh right now?
The live clock at the top of this page shows the current local time in Castlereagh (United Kingdom), updated every second. It is currently week 45.
What time zone is Castlereagh in?
Castlereagh runs on the Europe/London IANA time zone (UTC+00:00), currently abbreviated GMT.
Does Castlereagh observe daylight saving time?
Yes — daylight saving time is in force right now. Clocks go forward by 1 hour on March 28, 2027.
What time is sunrise and sunset in Castlereagh today?
Castlereagh sees sunrise at 07:28 and sunset at 16:48 today, giving 9h 20m of daylight.
What moon phase is visible over Castlereagh tonight?
The moon phase over Castlereagh tonight is 🌗 Last Quarter with 49.8% illumination.
What is the antipode of Castlereagh?
The antipode of Castlereagh — the point on the exact opposite side of the Earth — lies at 54.57° S, 174.12° E. It falls in the ocean or a remote wilderness — the nearest city we track is Papatowai, New Zealand, roughly 949 km away. The straight-line distance through the Earth is about 12,742 km.
How high above sea level is Castlereagh?
Castlereagh lies at or very near sea level.
What is solar time in Castlereagh?
Solar time follows the Sun's actual position, with solar noon when the Sun is highest in the sky. In Castlereagh, clocks run about 8 minutes behind local solar time, because the official time zone does not exactly match the Sun's position.