Time Now in Castlereagh, United Kingdom 🇬🇧
Lat/Long: 54.57° N, 5.88° W
Elevation: 29 m above sea level
Population rank: #218 of 5,714 cities in United Kingdom by population
Country: Northern Ireland
Country: 🇬🇧 United Kingdom (Europe)
IANA Timezone: Europe/London
Solar time: clocks run about 1h 25m ahead of the sun
Timezone: GMT
Daylight Saving Time: Yes ✅ (Abbreviation: BST) (When does Daylight Savings Time end?)
Standard Timezone Abbreviations used in United Kingdom: GMT
Daylight Saving Timezone Abbreviations used in United Kingdom: BST
Clocks in Castlereagh are set to UTC+00:00 under the Europe/London zone. Daylight saving time is in effect right now, so the city is an hour ahead of its standard offset. Being in the temperate belt, Castlereagh sees markedly longer summer days and shorter winter ones. Castlereagh lies barely above sea level, at roughly 29 m. Castlereagh is fairly isolated: even London lies some 513 km off. A major centre in the United Kingdom, Castlereagh keeps a busy schedule across its time zone.
Time & Daylight in Castlereagh
Daylight Hours in Castlereagh
Castlereagh gets 16h 13m of daylight today. Sunrise in Castlereagh is at 05:22 and sunset in Castlereagh is at 21:36.
Daylight ranges from about 7h 15m near the December solstice to 17h 16m near the June solstice.
Time Difference Between Castlereagh and Major Cities
Live local time and the difference from Castlereagh right now.
Best Time to Call Castlereagh
How standard business hours (9:00 to 17:00) in major hubs line up with the clock in Castlereagh:
Other Cities in United Kingdom with Local Time
Cities Sharing Castlereagh's Time Zone (UTC+00:00)
These major cities are at the same UTC offset as Castlereagh.
Weather in Castlereagh
Tools to Plan Meetings
Prayer Times in Castlereagh
| Date | Fajr | Sunrise | Dhuhr | Asr | Maghrib | Isha |
|---|---|---|---|---|---|---|
| Sat, 25 Jul ● | 01:30 | 05:22 | 13:30 | 17:48 | 21:37 | 23:07 |
| Sun, 26 Jul | 01:30 | 05:23 | 13:30 | 17:48 | 21:36 | 23:06 |
| Mon, 27 Jul | 01:30 | 05:25 | 13:30 | 17:47 | 21:34 | 23:04 |
| Tue, 28 Jul | 01:30 | 05:27 | 13:30 | 17:46 | 21:32 | 23:02 |
| Wed, 29 Jul | 01:30 | 05:28 | 13:30 | 17:46 | 21:31 | 23:01 |
| Thu, 30 Jul | 01:29 | 05:30 | 13:30 | 17:45 | 21:29 | 22:59 |
| Fri, 31 Jul | 01:29 | 05:32 | 13:29 | 17:44 | 21:27 | 22:57 |
14-day Forecast for Castlereagh
Moon Phases & Times for Castlereagh
Current Phase
Waxing Gibbous
Illumination
82.4%
Next Moonrise
↑
Today, 19:44
Next Moonset
↓
Tomorrow, 01:20
Distances & Clock Changes in Castlereagh
How Far Is Castlereagh From Other Major Cities?
| City | Distance | Direction |
|---|---|---|
| London | 513 km | SE (129deg) |
| Paris | 851 km | SE (135deg) |
| Moscow | 2,720 km | ENE (69deg) |
| New York | 5,110 km | WNW (282deg) |
| Dubai | 5,907 km | E (98deg) |
| Mumbai | 7,571 km | E (88deg) |
| Los Angeles | 8,243 km | NW (307deg) |
| Tokyo | 9,453 km | NNE (27deg) |
When Do the Clocks Change in Castlereagh?
Castlereagh next changes its clocks on October 25, 2026, when the clocks fall back by one hour.
Castlereagh's Antipode: The Opposite Side of the Earth
Dig straight through the Earth from Castlereagh and you would surface in the open ocean, near 54.6deg S, 174.1deg E.
Frequently Asked Questions about Castlereagh
What time is it in Castlereagh right now?
The current local time in Castlereagh is 03:34 on Saturday, July 25, 2026. Castlereagh follows the Europe/London time zone.
What time zone is Castlereagh in?
Castlereagh uses the Europe/London IANA time zone (UTC+00:00). This zone covers the city and surrounding region year-round, with automatic adjustments during daylight saving when applicable.
How many hours ahead or behind UTC is Castlereagh?
During standard time Castlereagh sits at UTC+00:00. Going from UTC to local time in Castlereagh means moving the clock 00:00 hours forward.
Is Castlereagh on daylight saving time right now?
Yes — Castlereagh is currently observing daylight saving time as of July 25, 2026.
What moon phase is visible over Castlereagh tonight?
Tonight the moon over Castlereagh is in its Waxing Gibbous phase, lit 82.4%.
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 1h 25m ahead of local solar time, because the official time zone does not exactly match the Sun's position.