Seoul to Los Angeles Time
KST to PST Converter — 9 AM KST is 4:00 PM PST
Seoul is 17 hours ahead of Los Angeles. Convert any time between Seoul (KST) and Los Angeles (PST/PDT) instantly.
Seoul
South Korea
Los Angeles
United States
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Time Zone Comparison
Seoul to Los Angeles Time Conversion Table
| Seoul (KST) | Los Angeles (PST) |
|---|---|
| 12:00 AM | 8:00 AM |
| 2:00 AM | 10:00 AM |
| 4:00 AM | 12:00 PM |
| 6:00 AM | 2:00 PM |
| 8:00 AM | 4:00 PM |
| 10:00 AM | 6:00 PM |
| 12:00 PM | 8:00 PM |
| 2:00 PM | 10:00 PM |
| 4:00 PM | 12:00 AM |
| 6:00 PM | 2:00 AM |
| 8:00 PM | 4:00 AM |
| 10:00 PM | 6:00 AM |
Seoul & Los Angeles — Business & Scheduling Guide
Seoul (South Korea) is a technology-driven economy known for rapid innovation, with key industries in semiconductors, automotive, shipbuilding, and K-content. Los Angeles (United States) is a global financial and tech hub, known for technology, finance, healthcare, and entertainment. With a 17-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between Seoul and Los Angeles
With Los Angeles 17 hours behind Seoul, there is minimal overlap in standard business hours. Most teams alternate meeting times to share the burden of early-morning or late-evening calls fairly. South Korean work culture is fast-paced with typical hours of 9 AM–6 PM, though recent reforms have reduced maximum weekly hours. US business hours typically run 9 AM–5 PM, with a culture that values punctuality and efficiency. Consider recording meetings for those who can't attend live, and use shared documents for async collaboration.
Daylight Saving Time Considerations
Los Angeles observes Daylight Saving Time (PST/PDT), while Seoul stays on KST year-round. When Los Angeles switches to daylight time, the effective time difference shifts by 1 hour. This typically happens in spring and fall, and the exact dates vary by country. If you have recurring cross-timezone meetings, recalculate the schedule after each DST transition.
KST to PST — Quick Reference
KST (KST) stands for the timezone used in Seoul, South Korea (UTC+9). PST (PST/PDT) is the timezone used in Los Angeles, United States (UTC-8). Seoul is 17 hours ahead of Los Angeles.
To convert KST to PST, subtract 17 hours from KST time. For example, KST 9:00 AM = PST 4:00 PM (previous day).
Key Facts
- •Time difference: Seoul (UTC+9) is 17 hours ahead of Los Angeles (UTC-8).
- •Daylight Saving Time: Seoul does not observe DST (KST). Los Angeles observes DST (PST/PDT).
- •Regions: Seoul is located in South Korea and uses the KST time zone. Los Angeles is located in United States and uses the PST/PDT time zone.
- •Best time to call: There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.
Frequently Asked Questions
What is the time difference between Seoul and Los Angeles?
Seoul is 17 hours ahead of Los Angeles.
What time is it in Los Angeles when it's 9 AM in Seoul?
When it's 9:00 AM in Seoul, it is 4:00 PM in Los Angeles (previous day).
What time is 9 PM KST in PST?
9 PM KST (Seoul time) is 4:00 AM PST (Los Angeles time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between Seoul and Los Angeles?
There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.
How do I convert KST to PST?
KST (KST) is the timezone for Seoul, South Korea (UTC+9). PST (PST/PDT) is the timezone for Los Angeles, United States (UTC-8). Seoul is 17 hours ahead of Los Angeles. Quick examples: 9 AM KST = 4:00 PM PST, 12 PM KST = 7:00 PM PST, 3 PM KST = 10:00 PM PST, 6 PM KST = 1:00 AM PST.
Is Seoul ahead of or behind Los Angeles?
Seoul is 17 hours ahead of Los Angeles. When it's noon in Seoul, it's 7:00 PM in Los Angeles (previous day).
Does Seoul or Los Angeles change clocks for Daylight Saving Time?
No, Seoul does not observe DST — it stays on KST year-round. Los Angeles observes DST and switches between PST/PDT. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).
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