🇦🇺 Castle Hill, Australia
39
- Australian Eastern Daylight Time
- UTC+11
- Night
☀️ 06:12 · 🌙 19:11 · 12 h 59 min
Castle Hill to Seoul: time difference
Seoul is 2 h behind Castle Hill. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Castle Hill 03:34 3:34 AM Seoul 01:34 1:34 AM You –:–
03:34 3:34 AM
Australian Eastern Daylight Time · UTC+11
☀️ 06:12 · 🌙 19:11
01:34 1:34 AM
Korean Standard Time · UTC+9
☀️ 06:43 · 🌙 17:53
·
−2 h
Seoul is 2 h behind Castle Hill.
When you, Castle Hill and Seoul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇺 Castle Hill
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
🇰🇷 Seoul
22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇺 Castle Hill | 🇰🇷 Seoul |
|---|---|---|
| Local time | 03:34 | 01:34 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Australian Eastern Daylight Time | Korean Standard Time |
| UTC offset | UTC+11 | UTC+9 |
| Offset from Castle Hill | — | −2 h |
| IANA zone | Australia/Sydney | Asia/Seoul |
| Daylight saving | On summer time → UTC+10, Apr 4, 02:00 | Not observed |
| Sunrise | 06:12 | 06:43 |
| Sunset | 19:11 | 17:53 |
| Daylight | 12 h 59 min | 11 h 10 min |
| People on this clock | 39,284 | 9,509,458 |
Compare Castle Hill with another city
More comparisons with Castle Hill: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castle Hill and Seoul: common questions
What is the time difference between Castle Hill and Seoul?
Seoul is 2 hours behind: it uses UTC+9, while Castle Hill is on UTC+11.
What time is it in Seoul when it is 9:00 AM in Castle Hill?
When it is 9:00 AM in Castle Hill, it is 7:00 AM in Seoul.
What time is it in Seoul when it is 6:00 PM in Castle Hill?
When it is 6:00 PM in Castle Hill, it is 4:00 PM in Seoul.
When is a good time to call Seoul from Castle Hill?
Between 11:00 AM and 6:00 PM in Castle Hill – that is 9:00 AM to 4:00 PM in Seoul – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Seoul compared with Castle Hill?
The new day starts in Seoul later: until 2:00 AM in Castle Hill, it is still the previous day there. From 10:00 PM in Seoul, Castle Hill is already on the next day.
Is the time difference between Castle Hill and Seoul the same all year?
No. Only Castle Hill switches to summer time, so the gap changes twice a year. From April 4, 2027, Seoul will be 1 hour behind Castle Hill.
