Sydney to Seoul Time Difference
Seoul is 1 hour behind Sydney. When it is noon in Sydney, it is 11:00 in Seoul.
Sydney (UTC+10) → Seoul (UTC+9)
🕐 Interactive Time Explorer
When it's 10:00 in Sydney, it's 09:00 in Seoul
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Seoul✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
8,330 km
Est. Flight Time
~10.8h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Tomorrow 10:00
10:00 - 17:00
⏰ Quick Conversion
06:00
Sydney
05:00
Seoul
09:00
Sydney
08:00
Seoul
12:00
Sydney
11:00
Seoul
15:00
Sydney
14:00
Seoul
18:00
Sydney
17:00
Seoul
21:00
Sydney
20:00
Seoul
00:00
Sydney
23:00
Seoul (-1)
03:00
Sydney
02:00
Seoul
Frequently Asked Questions
How many hours is Sydney ahead of Seoul?
Seoul is 1 hour behind Sydney. When it is 12:00 noon in Sydney, it is 11:00 in Seoul. Sydney operates on Australia/Sydney (UTC+10), while Seoul uses Asia/Seoul (UTC+9).
What is the best time to call Seoul from Sydney?
There are 8 hours of overlapping business time (9 AM–5 PM) between Sydney and Seoul. The best window is 10:00–18:00 Sydney time (09:00–17:00 in Seoul).
Does the Sydney to Seoul time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Sydney and Seoul
The distance between Sydney and Seoul is approximately 8,330 km. A direct flight typically takes around 10.8 hours. Your arrival clock will show local Seoul time — use our Flight Time Calculator to predict exact arrival times.