Ansan to Sydney Time Difference
Sydney is 1 hour ahead of Ansan. When it is noon in Ansan, it is 13:00 in Sydney.
Seoul (UTC+9) → Sydney (UTC+10)
🕐 Interactive Time Explorer
When it's 20:00 in Ansan, it's 21:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ansan & Sydney✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
8,308 km
Est. Flight Time
~10.8h
Time Difference
+1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Today 09:00
09:00 - 16:00
⏰ Quick Conversion
06:00
Ansan
07:00
Sydney
09:00
Ansan
10:00
Sydney
12:00
Ansan
13:00
Sydney
15:00
Ansan
16:00
Sydney
18:00
Ansan
19:00
Sydney
21:00
Ansan
22:00
Sydney
00:00
Ansan
01:00
Sydney
03:00
Ansan
04:00
Sydney
Frequently Asked Questions
How many hours is Ansan behind Sydney?
Sydney is 1 hour ahead of Ansan. When it is 12:00 noon in Ansan, it is 13:00 in Sydney. Ansan operates on Asia/Seoul (UTC+9), while Sydney uses Australia/Sydney (UTC+10).
What is the best time to call Sydney from Ansan?
There are 7 hours of overlapping business time (9 AM–5 PM) between Ansan and Sydney. The best window is 09:00–16:00 Ansan time (10:00–17:00 in Sydney).
Does the Ansan to Sydney 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 Ansan and Sydney
The distance between Ansan and Sydney is approximately 8,308 km. A direct flight typically takes around 10.8 hours. Your arrival clock will show local Sydney time — use our Flight Time Calculator to predict exact arrival times.