Castle HillAustralia
Current time in Castle Hill, Australia
Friday, 25 September 2026
Australian Eastern Standard TimeUTC+10:00
⛶ Full-screen clockCastle Hill time at a glance
- Country
- Australia
- Location
- City in New South Wales
- Time zone
Australia/Sydney- UTC offset now
UTC+10:00- Current zone label
- GMT+10
- Next clock change
- 4 October 2026 at 03:00 GMT+11
Time-zone identity for Castle Hill
- IANA zone
Australia/Sydney- UTC offset now
- UTC+10:00
- Current zone label
- GMT+10
- Clock-change status
- An offset change was found in the next 370 days.
Castle Hill is currently 10 hours ahead of UTC. The named zone, rather than the offset alone, should be used for future dates.
Next clock change in Castle Hill
This change comes from the IANA Time Zone Database. It is described as an offset change unless its daylight-saving purpose can be verified.
Time-zone history
UTC offset changes for Castle Hill
A bounded record of offset transitions calculated for Australia/Sydney, covering 2021 through 2031. Events are offset changes; their legal or daylight-saving cause is not inferred.
Previous 5 years
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
Next 5 years
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
- UTC+11:00 UTC+11:00UTC offset decreased by
- UTC+10:00 UTC+10:00UTC offset decreased by
Dates are calculated from IANA time-zone rules. The calculation checks for offset changes throughout the displayed period and resolves each change to the nearest second.
Location context
About Castle Hill
Location details for Castle Hill in New South Wales, Australia.
- Administrative area
- New South Wales, Australia
- Population
- 39,284
- Coordinates
- 33.7333° S, 151.0000° E. The elevation is 126 metres.
Nearby city clocks
Cities near Castle Hill
Nearby cities are ordered by approximate straight-line distance from Castle Hill. Times are calculated for the same instant shown above.
- Baulkham HillsNew South Wales, Australia2.9 km south
Australia/SydneySame local time - CherrybrookNew South Wales, Australia4.4 km east
Australia/SydneySame local time - West Pennant HillsNew South Wales, Australia4.6 km east
Australia/SydneySame local time - KellyvilleNew South Wales, Australia5.2 km northwest
Australia/SydneySame local time - GlenwoodNew South Wales, Australia6.2 km west
Australia/SydneySame local time - CarlingfordNew South Wales, Australia7.1 km southeast
Australia/SydneySame local time
Sources for Castle Hill time and city facts
Time-zone calculations use runtime tzdb 2026b. Weather and astronomy sources include their own retrieval times where available.
View 3 sources
- GeoNames cities15000GeoNames · 2026-07-15_01-57-51-849 · CC BY 4.0 · AccessedCity and country names, administrative area, coordinates and population.
- IANA Time Zone DatabaseInternet Assigned Numbers Authority · 2026b · Public domain · AccessedTime-zone names, UTC offsets and clock changes.
- Unicode Common Locale Data RepositoryUnicode Consortium · 48.0 · Unicode License v3 · AccessedEnglish display names for countries, currencies and languages.