Zone & HourLos Angeles to SeoulTime Converter
Compare the same moment in United States and South Korea.
Los Angeles to Seoul: the time difference
On 2026-10-05 at 9:00 AM in Los Angeles, it is 1:00 AM in Seoul (Tuesday, October 6, 2026). Seoul is 16 hours ahead of Los Angeles.
Los Angeles anchors North American Pacific Time. Evening calls to Seoul, Tokyo or Sydney often fall on the following calendar day for the other participants. Seoul and Tokyo currently share the same UTC offset. Calls with North America commonly cross midnight, so include the weekday when sharing a Seoul meeting time.
24-hour conversion table
Source date: 2026-10-05 in Los Angeles. Each row is a real instant; the destination date is shown explicitly. Repeated hours appear twice and nonexistent hours are labeled.
| Los Angeles | Seoul | Date in Seoul |
|---|---|---|
| 12:00 AM UTC−07:00 | 4:00 PM UTC+09:00 | 2026-10-05 Today |
| 1:00 AM UTC−07:00 | 5:00 PM UTC+09:00 | 2026-10-05 Today |
| 2:00 AM UTC−07:00 | 6:00 PM UTC+09:00 | 2026-10-05 Today |
| 3:00 AM UTC−07:00 | 7:00 PM UTC+09:00 | 2026-10-05 Today |
| 4:00 AM UTC−07:00 | 8:00 PM UTC+09:00 | 2026-10-05 Today |
| 5:00 AM UTC−07:00 | 9:00 PM UTC+09:00 | 2026-10-05 Today |
| 6:00 AM UTC−07:00 | 10:00 PM UTC+09:00 | 2026-10-05 Today |
| 7:00 AM UTC−07:00 | 11:00 PM UTC+09:00 | 2026-10-05 Today |
| 8:00 AM UTC−07:00 | 12:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 9:00 AM UTC−07:00 | 1:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 10:00 AM UTC−07:00 | 2:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 11:00 AM UTC−07:00 | 3:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 12:00 PM UTC−07:00 | 4:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 1:00 PM UTC−07:00 | 5:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 2:00 PM UTC−07:00 | 6:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 3:00 PM UTC−07:00 | 7:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 4:00 PM UTC−07:00 | 8:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 5:00 PM UTC−07:00 | 9:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 6:00 PM UTC−07:00 | 10:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 7:00 PM UTC−07:00 | 11:00 AM UTC+09:00 | 2026-10-06 Tomorrow |
| 8:00 PM UTC−07:00 | 12:00 PM UTC+09:00 | 2026-10-06 Tomorrow |
| 9:00 PM UTC−07:00 | 1:00 PM UTC+09:00 | 2026-10-06 Tomorrow |
| 10:00 PM UTC−07:00 | 2:00 PM UTC+09:00 | 2026-10-06 Tomorrow |
| 11:00 PM UTC−07:00 | 3:00 PM UTC+09:00 | 2026-10-06 Tomorrow |
Does the time difference change during 2026?
Yes. The daily reference calculation finds 16 and 17-hour differences across the year. A repeating meeting tied to one city's clock can move on the other city's calendar.
| Dates (2026) | Seoul relative to Los Angeles |
|---|---|
| 2026-01-01 – 2026-03-07 | 17 hours ahead |
| 2026-03-08 – 2026-10-31 | 16 hours ahead |
| 2026-11-01 – 2026-12-31 | 17 hours ahead |
Ranges sample each date at 12:00 UTC. A transition can occur partway through the first or last date. Use the converter for the precise instant. Calculated from this build’s Intl time-zone rules; future legislation may change them.
Los Angeles: The 2026 reference data includes UTC−08:00 and UTC−07:00. Select the actual meeting date: one fixed offset will not describe the whole year.
Seoul: No UTC offset change is found in the 2026 reference data. The offset is UTC+09:00.
Best time to call Seoul from Los Angeles
For a one-hour call on 2026-10-05, these example start times fit a 9 AM–6 PM workday in both cities. A shared workday is not a guarantee that a person is free.
| Start in Los Angeles | Start in Seoul |
|---|---|
| 5:00 PM | 9:00 AM |
Los Angeles–Seoul questions
Is Seoul ahead of Los Angeles?
On 2026-10-05, Seoul is 16 hours ahead of Los Angeles. The size of the difference changes during the year; consult the seasonal table.
What is 9 AM in Los Angeles in Seoul?
On 2026-10-05, 9 AM in Los Angeles is 1:00 AM on 2026-10-06 in Seoul. That falls on a different calendar date, so include the day in your invitation.
Why does this time difference change?
The two cities do not maintain an identical offset relationship through the year. Los Angeles uses UTC−08:00 / UTC−07:00, while Seoul uses UTC+09:00. Anchor invitations to an IANA city zone so the calendar can follow each date’s rules.