Time in Castlereagh

Greenwich Mean Time (GMT, UTC)

Current local time: 20:04

Next DST change: 2027-03-28 - UTC+1.

Current local time in Castlereagh: · 10 Nov 2026

Castlereagh time zone

Time zone
GMT · UTC+0standard time

28 Mar 2027 - clocks go forward 1 h to BST (UTC+1) - in 138 days

JFMAMJJASOND

Green shows daylight saving time. Dark marker: today.

All of United Kingdom uses Greenwich Mean Time.

  • GMT · UTC+0England, Scotland, Wales, Northern IrelandUses daylight saving time

Zones with matching offsets and clock changes over the next year are grouped together.

Time difference from Castlereagh

Time difference
Current local times and work-hour overlap with Castlereagh
CityLocal timeDifferenceWorking hoursPlanner
LondonSame timeCompare Castlereagh and London
New York5 h behindCompare Castlereagh and New York
Los Angeles8 h behindCompare Castlereagh and Los Angeles
Berlin1 h aheadCompare Castlereagh and Berlin
Dubai+1 day4 h aheadCompare Castlereagh and Dubai
New Delhi+1 day5 h 30 min aheadCompare Castlereagh and New Delhi
Singapore+1 day8 h aheadCompare Castlereagh and Singapore
Tokyo+1 day9 h aheadCompare Castlereagh and Tokyo
Sydney+1 day11 h aheadCompare Castlereagh and Sydney
Copenhagen1 h aheadCompare Castlereagh and Copenhagen

Sun in Castlereagh today

Daylight
07:438h 47m16:30

8h 47m today - 8h 30m less than the longest day and 1h 31m more than the shortest day.

Calculated from coordinates; sunrise and sunset are approximate.

About Castlereagh

City facts
Country
United Kingdom
Region
Northern Ireland
Population
56,679
Dialing code
Currency
GBP · Pound
Coordinates
54.5735°, -5.8847°

Public holidays in Northern Ireland

Holidays

  1. Christmas Day

    Friday · in 45 days

    Nationallong weekend

  2. Boxing Day

    Saturday · in 46 days

    National

  3. Boxing Day (substitute day)

    Monday · in 48 days

    Nationallong weekend

  4. New Year’s Day

    Friday · in 52 days

    Nationallong weekend

  5. St Patrick’s Day

    Wednesday · in 127 days

    NIR

Common questions

Quick answers
01What time zone is Castlereagh in?
Castlereagh uses Europe/London: GMT (UTC+0).
02Does Castlereagh have daylight saving time?
28 Mar 2027 - clocks go forward 1 h to BST (UTC+1) - in 138 days
03What is the time difference between Castlereagh and London?
Castlereagh is same time relative to London right now.
04What is a good time to call Castlereagh from New York?
A shared working-hours option: 11:00-12:00 in New York = 16:00-17:00 in Castlereagh.

Time zones: IANA via Intl. Holidays: date-holidays. Sun calculations: SunCalc. City data: GeoNames. Airport data: OurAirports.

Common questions

Quick answers
01What time zone is Castlereagh in?
Castlereagh is in Greenwich Mean Time (GMT/BST), Europe/London. Standard time is UTC.
02Does Castlereagh use daylight saving time?
Yes. Castlereagh changes between UTC and UTC+1 during the year.
03What is the time difference between Castlereagh and UTC?
Castlereagh is UTC in standard time and UTC+1 during daylight saving time.