🇭🇰 Hong Kong, Hong Kong (China)
38
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:21 · 🌙 17:57 · 11 h 36 min
Hong Kong to Castle Hill: time difference
Castle Hill is 3 h ahead of Hong Kong. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇺 Castle Hill, Australia
38
- Australian Eastern Daylight Time
- UTC+11
- Night
☀️ 06:12 · 🌙 19:11 · 12 h 59 min
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Hong Kong 00:44 12:44 AM Castle Hill 03:44 3:44 AM You –:–
00:44 12:44 AM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:57
03:44 3:44 AM
Australian Eastern Daylight Time · UTC+11
☀️ 06:12 · 🌙 19:11
·
+3 h
Castle Hill is 3 h ahead of Hong Kong.
When you, Hong Kong and Castle Hill are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇭🇰 Hong Kong
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇦🇺 Castle Hill
3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇭🇰 Hong Kong | 🇦🇺 Castle Hill |
|---|---|---|
| Local time | 00:44 | 03:44 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Hong Kong Standard Time | Australian Eastern Daylight Time |
| UTC offset | UTC+8 | UTC+11 |
| Offset from Hong Kong | — | +3 h |
| IANA zone | Asia/Hong Kong | Australia/Sydney |
| Daylight saving | Not observed | On summer time → UTC+10, Apr 4, 02:00 |
| Sunrise | 06:21 | 06:12 |
| Sunset | 17:57 | 19:11 |
| Daylight | 11 h 36 min | 12 h 59 min |
| People on this clock | 1,367,900 | 39,284 |
Compare Hong Kong with another city
More comparisons with Hong Kong: the time zones next to it and the far side of the clock.
Big time differences
Hong Kong and Castle Hill: common questions
How many hours ahead of Hong Kong is Castle Hill?
The clocks in Castle Hill are 3 hours ahead of those in Hong Kong (UTC+11 and UTC+8).
What time is it in Castle Hill at the start of the working day in Hong Kong?
The working day in Hong Kong starts at 9:00 AM; in Castle Hill it is 12:00 PM at that moment.
What time is it in Castle Hill at the end of the working day in Hong Kong?
The working day in Hong Kong ends at 6:00 PM; in Castle Hill it is 9:00 PM at that moment.
Is there a time when both Hong Kong and Castle Hill are at work?
Yes: from 9:00 AM to 3:00 PM in Hong Kong (12:00 PM to 6:00 PM in Castle Hill), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Castle Hill compared with Hong Kong?
The new day starts in Castle Hill earlier: at 9:00 PM in Hong Kong it is already midnight there. Until 3:00 AM in Castle Hill, Hong Kong is still on the previous day.
Is the time difference between Hong Kong and Castle Hill the same all year?
No. Only Castle Hill switches to summer time, so the gap changes twice a year. From April 4, 2027, Castle Hill will be 2 hours ahead of Hong Kong.
