Ulsan to Los Angeles Time Difference
Los Angeles is 16 hours behind Ulsan. When it is noon in Ulsan, it is 20:00 in Los Angeles.
Seoul (UTC+9) → Los Angeles (UTC-7)
🕐 Interactive Time Explorer
When it's 14:00 in Ulsan, it's 22:00 in Los Angeles
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ulsan & Los Angeles◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
9,574 km
Est. Flight Time
~12.3h
Time Difference
-16h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Ulsan
14:00
Los Angeles (-1)
09:00
Ulsan
17:00
Los Angeles (-1)
12:00
Ulsan
20:00
Los Angeles (-1)
15:00
Ulsan
23:00
Los Angeles (-1)
18:00
Ulsan
02:00
Los Angeles
21:00
Ulsan
05:00
Los Angeles
00:00
Ulsan
08:00
Los Angeles (-1)
03:00
Ulsan
11:00
Los Angeles (-1)
Frequently Asked Questions
How many hours is Ulsan ahead of Los Angeles?
Los Angeles is 16 hours behind Ulsan. When it is 12:00 noon in Ulsan, it is 20:00 in Los Angeles. Ulsan operates on Asia/Seoul (UTC+9), while Los Angeles uses America/Los Angeles (UTC-7).
What is the best time to call Los Angeles from Ulsan?
Standard business hours (9 AM–5 PM) do not overlap between Ulsan and Los Angeles due to the 16 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Ulsan to Los Angeles 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 Los Angeles
The distance between Ulsan and Los Angeles is approximately 9,574 km. A direct flight typically takes around 12.3 hours. Your arrival clock will show local Los Angeles time — use our Flight Time Calculator to predict exact arrival times.