Los Angeles to Ulsan Time Difference
Ulsan is 16 hours ahead of Los Angeles. When it is noon in Los Angeles, it is 04:00 in Ulsan.
Los Angeles (UTC-7) → Seoul (UTC+9)
🕐 Interactive Time Explorer
When it's 13:00 in Los Angeles, it's 05:00 in Ulsan
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Los Angeles & Ulsan◐ 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
Los Angeles
22:00
Ulsan
09:00
Los Angeles
01:00
Ulsan (+1)
12:00
Los Angeles
04:00
Ulsan (+1)
15:00
Los Angeles
07:00
Ulsan (+1)
18:00
Los Angeles
10:00
Ulsan (+1)
21:00
Los Angeles
13:00
Ulsan (+1)
00:00
Los Angeles
16:00
Ulsan
03:00
Los Angeles
19:00
Ulsan
Frequently Asked Questions
How many hours is Los Angeles behind Ulsan?
Ulsan is 16 hours ahead of Los Angeles. When it is 12:00 noon in Los Angeles, it is 04:00 in Ulsan. Los Angeles operates on America/Los Angeles (UTC-7), while Ulsan uses Asia/Seoul (UTC+9).
What is the best time to call Ulsan from Los Angeles?
There is 1 hour of overlapping business time (9 AM–5 PM) between Los Angeles and Ulsan. The best window is 17:00–18:00 Los Angeles time (09:00–10:00 in Ulsan).
Does the Los Angeles to Ulsan 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 Los Angeles and Ulsan
The distance between Los Angeles and Ulsan is approximately 9,574 km. A direct flight typically takes around 12.3 hours. Your arrival clock will show local Ulsan time — use our Flight Time Calculator to predict exact arrival times.