Seoul to Castle Hill: time difference
Castle Hill is 2 h ahead of Seoul. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇺 Castle Hill, Australia
01
- Australian Eastern Daylight Time
- UTC+11
- Night
☀️ 06:12 · 🌙 19:11 · 12 h 59 min
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Seoul 03:13 3:13 AM Castle Hill 05:13 5:13 AM You –:–
03:13 3:13 AM
Korean Standard Time · UTC+9
☀️ 06:43 · 🌙 17:53
05:13 5:13 AM
Australian Eastern Daylight Time · UTC+11
☀️ 06:12 · 🌙 19:11
·
+2 h
Castle Hill is 2 h ahead of Seoul.
When you, Seoul 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
🇰🇷 Seoul
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
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Seoul | 🇦🇺 Castle Hill |
|---|---|---|
| Local time | 03:13 | 05:13 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Korean Standard Time | Australian Eastern Daylight Time |
| UTC offset | UTC+9 | UTC+11 |
| Offset from Seoul | — | +2 h |
| IANA zone | Asia/Seoul | Australia/Sydney |
| Daylight saving | Not observed | On summer time → UTC+10, Apr 4, 02:00 |
| Sunrise | 06:43 | 06:12 |
| Sunset | 17:53 | 19:11 |
| Daylight | 11 h 10 min | 12 h 59 min |
| People on this clock | 9,509,458 | 39,284 |
Compare Seoul with another city
More comparisons with Seoul: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seoul and Castle Hill: common questions
What is the time difference between Seoul and Castle Hill?
Castle Hill is 2 hours ahead: it uses UTC+11, while Seoul is on UTC+9.
What time is it in Castle Hill at the start of the working day in Seoul?
The working day in Seoul starts at 9:00 AM; in Castle Hill it is 11:00 AM at that moment.
What time is it in Castle Hill when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 8:00 PM in Castle Hill.
When is a good time to call Castle Hill from Seoul?
Between 9:00 AM and 4:00 PM in Seoul – that is 11:00 AM to 6:00 PM in Castle Hill – both places are within working hours (9:00 AM–6:00 PM).
From what time in Seoul is it tomorrow in Castle Hill?
Once it is 10:00 PM in Seoul, the date in Castle Hill has already changed. Until 2:00 AM in Castle Hill, it is still the previous day in Seoul.
Does the time gap between Seoul and Castle Hill change during the year?
Yes – daylight saving time is used in Castle Hill but not in Seoul. From April 4, 2027, Castle Hill will be 1 hour ahead of Seoul.
