What is the ISO week number in Castle Hill?

TimeDials shows the current ISO week number for Castle Hill in real time. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year.

Does Castle Hill observe daylight saving time (DST)?

Yes, Castle Hill observes daylight saving time. The next clock change is on 2026-04-05 (clocks move back to GMT+10).

Time in Castle Hill, New South Wales, Australia — Local Time & Date

Live

--:--:--

Current local time in 🇦🇺 Castle Hill, New South Wales, Australia.

AEST/AEDT UTC+11:00

Relative to You

Detecting your timezone…

Relative to UTC

+11 hours ahead

Noon here = 01:00 UTC

09:00 here = 22:00 UTC

12:00 here = 01:00 UTC

17:00 here = 06:00 UTC

ISO Week

11 Odd Week

Sun

06:45

19:07

Today

Night has fallen over Castle Hill. The city shifts to its after-dark rhythm, and business hours have concluded. The current offset is UTC+11:00.

Daylight Saving Time

Last Clock Change

2025-10-05

Clocks moved forward to GMT+11

Next Clock Change

2026-04-05

Clocks will move back to GMT+10

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Quick Facts

Country	🇦🇺Australia
State / Region	New South Wales
Timezone	AEST/AEDT
UTC Offset	UTC+11:00
DST	Yes — daylight saving time observed
Population	39,284
Elevation	126 m
Sunrise	06:45
Sunset	19:07
Coordinates	-33.73°N, 151.00°E

Map

Map data © OpenStreetMap contributors

Time Difference to Major Cities

City	Difference	Local Time
New York	-15h	--:--
Los Angeles	-18h	--:--
London	-11h	--:--
Paris	-10h	--:--
Dubai	-7h	--:--
Mumbai	-5h 30m	--:--
Singapore	-3h	--:--
Tokyo	-2h	--:--
Sao Paulo	-14h	--:--
Cairo	-9h	--:--
Shanghai	-3h	--:--

Frequently Asked Questions

What are the business hours in Castle Hill?

Standard business hours in Castle Hill are 09:00–17:00 local time (AEST/AEDT). Check the live clock above to see the current local time. Use our Time Zone Planner to find the best meeting time across cities.

What is the UTC offset for Castle Hill?

Castle Hill is currently at UTC+11:00. The timezone identifier is AEST/AEDT. When it is noon in Castle Hill, it is 01:00 UTC. You can embed a live Castle Hill clock on your website.

What ISO week number is it in Castle Hill?

It is currently ISO week 11 (odd week) in Castle Hill. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year. Learn more about ISO week numbers.

Does Castle Hill observe daylight saving time?

Yes, Castle Hill observes daylight saving time (DST). The most recent change was on 2025-10-05, when clocks moved forward to GMT+11. The next change is on 2026-04-05, when clocks will move back to GMT+10.