Singapore to Castle Hill: time difference
Castle Hill is 3 h ahead of Singapore. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇺 Castle Hill, Australia
53
- 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.
Singapore 00:49 12:49 AM Castle Hill 03:49 3:49 AM You –:–
00:49 12:49 AM
Singapore Standard Time · UTC+8
☀️ 06:48 · 🌙 18:53
03:49 3:49 AM
Australian Eastern Daylight Time · UTC+11
☀️ 06:12 · 🌙 19:11
·
+3 h
Castle Hill is 3 h ahead of Singapore.
When you, Singapore 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
🇸🇬 Singapore
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 | 🇸🇬 Singapore | 🇦🇺 Castle Hill |
|---|---|---|
| Local time | 00:49 | 03:49 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Singapore Standard Time | Australian Eastern Daylight Time |
| UTC offset | UTC+8 | UTC+11 |
| Offset from Singapore | — | +3 h |
| IANA zone | Asia/Singapore | Australia/Sydney |
| Daylight saving | Not observed | On summer time → UTC+10, Apr 4, 02:00 |
| Sunrise | 06:48 | 06:12 |
| Sunset | 18:53 | 19:11 |
| Daylight | 12 h 5 min | 12 h 59 min |
| People on this clock | 5,535,002 | 39,284 |
Compare Singapore with another city
More comparisons with Singapore: the time zones next to it and the far side of the clock.
Big time differences
Singapore and Castle Hill: common questions
How many hours ahead of Singapore is Castle Hill?
The clocks in Castle Hill are 3 hours ahead of those in Singapore (UTC+11 and UTC+8).
What time is it in Castle Hill at the start of the working day in Singapore?
The working day in Singapore 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 Singapore?
The working day in Singapore ends at 6:00 PM; in Castle Hill it is 9:00 PM at that moment.
When is a good time to call Castle Hill from Singapore?
Between 9:00 AM and 3:00 PM in Singapore – that is 12:00 PM to 6:00 PM in Castle Hill – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Castle Hill?
From 9:00 PM in Singapore it is already the next day in Castle Hill. The other way round, until 3:00 AM in Castle Hill it is still the previous day in Singapore.
Does the time gap between Singapore and Castle Hill change during the year?
Yes – daylight saving time is used in Castle Hill but not in Singapore. From April 4, 2027, Castle Hill will be 2 hours ahead of Singapore.
