Ulsan to Sydney Time Difference
Sydney is 1 hour ahead of Ulsan. When it is noon in Ulsan, it is 13:00 in Sydney.
Seoul (UTC+9) → Sydney (UTC+10)
🕐 Interactive Time Explorer
When it's 17:00 in Ulsan, it's 18:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ulsan & Sydney✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
8,047 km
Est. Flight Time
~10.5h
Time Difference
+1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Today 09:00
09:00 - 16:00
⏰ Quick Conversion
06:00
Ulsan
07:00
Sydney
09:00
Ulsan
10:00
Sydney
12:00
Ulsan
13:00
Sydney
15:00
Ulsan
16:00
Sydney
18:00
Ulsan
19:00
Sydney
21:00
Ulsan
22:00
Sydney
00:00
Ulsan
01:00
Sydney
03:00
Ulsan
04:00
Sydney
Frequently Asked Questions
How many hours is Ulsan behind Sydney?
Sydney is 1 hour ahead of Ulsan. When it is 12:00 noon in Ulsan, it is 13:00 in Sydney. Ulsan operates on Asia/Seoul (UTC+9), while Sydney uses Australia/Sydney (UTC+10).
What is the best time to call Sydney from Ulsan?
There are 7 hours of overlapping business time (9 AM–5 PM) between Ulsan and Sydney. The best window is 09:00–16:00 Ulsan time (10:00–17:00 in Sydney).
Does the Ulsan 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 Ulsan and Sydney
The distance between Ulsan and Sydney is approximately 8,047 km. A direct flight typically takes around 10.5 hours. Your arrival clock will show local Sydney time — use our Flight Time Calculator to predict exact arrival times.