What time is it in Castlereagh right now?

The clock at the top of this page shows the current local time in Castlereagh, United Kingdom, updated every second from your device's clock and the IANA time zone rules for Europe/London. Castlereagh is the same time as UTC right now.

What time zone is Castlereagh in?

Castlereagh uses GMT (United Kingdom Time). Its IANA time zone identifier is Europe/London, and the current UTC offset is UTC+0.

Does Castlereagh observe daylight saving time?

Yes. Clocks last changed on Sun, Oct 25, 2026. The next change is on Sun, Mar 28, 2027, when clocks go forward 1 hour.

How do I schedule a meeting with someone in Castlereagh?

Open the time zone converter for Castlereagh to see what a given time there is for you, or use the meeting planner to find the hours when both of you are at work. A Cal.com booking link does the conversion for your guests automatically: they see your availability in their own time zone and pick a slot that works.

Current local time in Castlereagh, Northern Ireland, United Kingdom

Castlereagh is on GMT (United Kingdom Time), UTC+0. Clocks go forward 1 hour on Sun, Mar 28, 2027.

Castlereagh, United Kingdom

12:45 PM:09GMT

Tuesday, October 27, 2026

UTC+0

Country: United Kingdom
Region: Northern Ireland
Lat/Long: 54°34'N / 5°53'W
Elevation: 29 m
Population: 56,679
Currency: Pound (GBP)
Languages: English, Welsh, Scottish Gaelic
Dialling code: +44

Time zone in Castlereagh

Time zone
GMT
United Kingdom Time
UTC offset
UTC+0
The same time as UTC
DST ended
Sun, Oct 25, 2026
Clocks went back 1 hour
DST starts
Sun, Mar 28, 2027
Clocks go forward 1 hour at 1:00 AM

Castlereagh keeps the time of the IANA zone Europe/London, the one time zone in use in United Kingdom. Clocks go forward 1 hour on Sun, Mar 28, 2027.

About GMT Time zone converter for Castlereagh Meeting planner for Castlereagh

Sunrise and sunset in Castlereagh today

Sunrise
7:16 AM
Sunset
4:58 PM
Day length
9 hours 42 minutes
Date
Tue, Oct 27, 2026

Times are local to Castlereagh for Tue, Oct 27, 2026, computed for 54°34'N / 5°53'W.

Time difference between Castlereagh and other cities

The current local time in major cities around the world and how far each is ahead of or behind Castlereagh. Differences change when either side moves its clocks.

Current time in world cities compared to Castlereagh
City	Local time	Compared to Castlereagh
New YorkUnited States	Tue 8:45 AM	−4h (behind)
Los AngelesUnited States	Tue 5:45 AM	−7h (behind)
ChicagoUnited States	Tue 7:45 AM	−5h (behind)
TorontoCanada	Tue 8:45 AM	−4h (behind)
Mexico CityMexico	Tue 6:45 AM	−6h (behind)
São PauloBrazil	Tue 9:45 AM	−3h (behind)
LondonUnited Kingdom	Tue 12:45 PM	Same time
ParisFrance	Tue 1:45 PM	+1h (ahead)
BerlinGermany	Tue 1:45 PM	+1h (ahead)
MadridSpain	Tue 1:45 PM	+1h (ahead)
JohannesburgSouth Africa	Tue 2:45 PM	+2h (ahead)
DubaiUnited Arab Emirates	Tue 4:45 PM	+4h (ahead)
MumbaiIndia	Tue 6:15 PM	+5h 30m (ahead)
SingaporeSingapore	Tue 8:45 PM	+8h (ahead)
ShanghaiChina	Tue 8:45 PM	+8h (ahead)
TokyoJapan	Tue 9:45 PM	+9h (ahead)
SydneyAustralia	Tue 11:45 PM	+11h (ahead)
AucklandNew Zealand	Wed 1:45 AM	+13h (ahead)

Other cities near Castlereagh

All 802 cities in United Kingdom

Frequently asked questions

Place data from GeoNames (CC BY 4.0). Times follow the IANA time zone database; sunrise and sunset are computed for the city's coordinates.