Time difference between Los Angeles and Seoul

Updated live in your browser · IANA time zone database (America/Los_Angeles, Asia/Seoul)

Los Angeles PDT · UTC-7

Seoul GMT+9 · UTC+9

Difference 16 hours — Seoul is ahead of Los Angeles

Best time to call

Hours shown in Los Angeles time. The two working days never overlap: when Los Angeles is at its desk, Seoul is asleep. Schedule at the edge of one side's day.

Hour-by-hour conversion

Daylight saving time note

Los Angeles and Seoul do not change their clocks on the same date. Between November 1, 2026 and March 14, 2027 the difference is 17 hours behind Seoul — because Los Angeles changes its clocks for daylight saving time while Seoul keeps the same time all year.

For the rest of the year the difference holds steady at 16 hours. Every time on this page is computed from the IANA database at the moment you load it, so the tables above already account for whichever side has switched.

Why the time difference exists

Related comparisons

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• Los Angeles ↔ Hong Kong
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• Los Angeles ↔ Shanghai
• Los Angeles ↔ Mexico City