Most of the year, Seoul is 16 hours ahead of Los Angeles. During Jan 1–Mar 7, Nov 1–Dec 31, Seoul is 17 hours ahead of Los Angeles.
| Los Angeles | Seoul Most of the year | Seoul Jan 1–Mar 7, Nov 1–Dec 31 |
|---|---|---|
| 12 AM | 4 PM | 5 PM |
| 1 AM | 5 PM | 6 PM |
| 2 AM | 6 PM | 7 PM |
| 3 AM | 7 PM | 8 PM |
| 4 AM | 8 PM | 9 PM |
| 5 AM | 9 PM | 10 PM |
| 6 AM | 10 PM | 11 PM |
| 7 AM | 11 PM | 12 AMnext day |
| 8 AM | 12 AMnext day | 1 AMnext day |
| 9 AM | 1 AMnext day | 2 AMnext day |
| 10 AM | 2 AMnext day | 3 AMnext day |
| 11 AM | 3 AMnext day | 4 AMnext day |
| 12 PM | 4 AMnext day | 5 AMnext day |
| 1 PM | 5 AMnext day | 6 AMnext day |
| 2 PM | 6 AMnext day | 7 AMnext day |
| 3 PM | 7 AMnext day | 8 AMnext day |
| 4 PM | 8 AMnext day | 9 AMnext day |
| 5 PM | 9 AMnext day | 10 AMnext day |
| 6 PM | 10 AMnext day | 11 AMnext day |
| 7 PM | 11 AMnext day | 12 PMnext day |
| 8 PM | 12 PMnext day | 1 PMnext day |
| 9 PM | 1 PMnext day | 2 PMnext day |
| 10 PM | 2 PMnext day | 3 PMnext day |
| 11 PM | 3 PMnext day | 4 PMnext day |
Los Angeles observes daylight saving time from Mar 8, 2026 to Nov 1, 2026, when clocks move forward one hour.
Seoul does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year, Seoul is 16 hours ahead of Los Angeles. During Jan 1–Mar 7, Nov 1–Dec 31, Seoul is 17 hours ahead of Los Angeles.
Los Angeles observes daylight saving time from Mar 8, 2026 to Nov 1, 2026, when clocks move forward one hour. Seoul does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year: Both cities are in business hours at Los Angeles 5 PM–6 PM (Seoul 9 AM (next day)–10 AM). Jan 1–Mar 7, Nov 1–Dec 31: Both cities are in business hours at Los Angeles 4 PM–6 PM (Seoul 9 AM (next day)–11 AM).