Castle Hill time zone
Time zone4 Apr 2027 - clocks go back 1 h to AEST (UTC+10) - in 144 days
Green shows daylight saving time. Dark marker: today.
Australia has 7 distinct time zone rule groups. Castle Hill uses Australian Eastern Daylight Time.
- AEDT · UTC+11New South Wales, Victoria, Australian Capital Territory, TasmaniaUses daylight saving time
- LHDT · UTC+11Australia/Lord_HoweUses daylight saving time
- ACDT · UTC+10:30South Australia, New South WalesUses daylight saving time
- AEST · UTC+10QueenslandNo daylight saving time
- ACST · UTC+9:30Northern TerritoryNo daylight saving time
- AWST · UTC+8Western AustraliaNo daylight saving time
- ACWST · UTC+8:45Australia/EuclaNo daylight saving time
Zones with matching offsets and clock changes over the next year are grouped together.
Time difference from Castle Hill
Time differenceSun in Castle Hill today
Daylight13h 45m today - 0h 39m less than the longest day and 3h 51m more than the shortest day.
Calculated from coordinates; sunrise and sunset are approximate.
About Castle Hill
City facts- ⌖Region
- New South Wales
- ◉Population
- 39,284
- ☎Dialing code
- ¤Currency
- AUD · Dollar
Public holidays in New South Wales
HolidaysChristmas Day
Friday · in 44 days
Nationallong weekendBoxing Day
Saturday · in 45 days
NationalBoxing Day (substitute day)
Monday · in 47 days
Nationallong weekendNew Year’s Day
Friday · in 51 days
Nationallong weekendAustralia Day
Tuesday · in 76 days
National
Airports near Castle Hill
Airports- SYD
↑ 29 km south-east
Same local time - WSI
↑ 31 km south-west
Same local time - WOL
↑ 94 km south
Same local time
Same time zone rules
Matching offsets and clock changes over the next year.
Same UTC offset right now


Nouméamatches until 4 Apr 2027 


Arawamatches until 4 Apr 2027 












Adelaide1146 km · 30 min behind - different daylight saving rules
Common questions
Quick answers- 01What time zone is Castle Hill in?
- Castle Hill uses Australia/Sydney: AEDT (UTC+11).
- 02Does Castle Hill have daylight saving time?
- 4 Apr 2027 - clocks go back 1 h to AEST (UTC+10) - in 144 days
- 03What is the time difference between Castle Hill and London?
- Castle Hill is 11 h ahead relative to London right now.
- 04What is a good time to call Castle Hill from New York?
- Working hours do not overlap. Best edge-of-day option: 17:00-18:00 in New York = 09:00-10:00 in Castle Hill, next day.
Time zones: IANA via Intl. Holidays: date-holidays. Sun calculations: SunCalc. City data: GeoNames. Airport data: OurAirports.