Seoul Los AngelesKST to PST Time Converter

Seoul (KST, UTC+9) is currently 17 hours ahead of Los Angeles (PST, UTC−8). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
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Quick answer

When it's in Seoul, it's the previous day in Los Angeles.

Seoul (KST) runs 17 hours ahead of Los Angeles (PST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.

Time difference
−17h 00m
KST
UTC+9
PST
UTC−8
Best call window
9:00 AM KST
Hour by hour

KST to PST conversion table

The next 12 hours in KST and the matching local time in PST. The current hour is highlighted; drag the converter's slider and the table follows.

Hourly conversion from KST to PST
KST PST PST status
NOW
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Day
Tue, Jun 23
Mon, Jun 22
Day
Tue, Jun 23
Mon, Jun 22
Day
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Tue, Jun 23
Mon, Jun 22
DayWork hours
Meeting planner

Best time to meet between KST & PST

Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.

KST KST
PST PST
Both in business hours Business hours (9–18) Morning / evening Night Now
Best time for a call or meeting: between 9:00 AM and 11:00 AM in KST, which is 4:00 PM–6:00 PM in PST — both sides are inside normal business hours (9:00 AM – 6:00 PM).
Good to know

Daylight saving shifts this gap by up to 1 hour

The difference between KST and PST swings between 17 and 16 hours across the year as each side starts or ends daylight saving. Regions on PST switch to PDT (UTC−7) during daylight saving time. This page always shows the live, DST-aware difference.

Built for humans and machines

One source of truth — for you and your AI

This page exposes the same answer as structured data, so when you ask an assistant "what's 9am KST time in PST?", it can cite the exact, DST-aware result — not a stale blog post.

  • Schema.org JSON-LD on every converter page
  • A machine-readable facts island with IANA zones and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "KST → PST",
  "url": "https://worldclock.pro/en/convert/kst-to-pst",
  "from": {
    "name": "KST",
    "type": "timezone",
    "abbreviation": "KST",
    "daylightAbbreviation": null,
    "iana": "Asia/Seoul",
    "standardUtcOffset": "+09:00",
    "daylightUtcOffset": null,
    "referenceCity": "Seoul"
  },
  "to": {
    "name": "PST",
    "type": "timezone",
    "abbreviation": "PST",
    "daylightAbbreviation": "PDT",
    "iana": "America/Los_Angeles",
    "standardUtcOffset": "-08:00",
    "daylightUtcOffset": "-07:00",
    "referenceCity": "Los Angeles"
  },
  "currentDifferenceMinutes": -1020,
  "possibleDifferencesMinutes": [
    -1020,
    -960
  ],
  "note": "Between the regions that use these zones the difference is 17 and 16 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}

Frequently asked questions

What is the time difference between KST and PST?

KST is currently 17 hours ahead of PST. KST is on KST (UTC+9) and PST is on PST (UTC−8). The difference can change when either side starts or ends daylight saving time.

Is PST ahead of or behind KST?

PST is currently 17 hours behind KST.

When it is 9:00 AM in KST, what time is it in PST?

When it is 9:00 AM on a Monday in KST, it is 4:00 PM the previous day in PST.

Do KST and PST observe daylight saving time?

KST does not observe daylight saving time. Regions on PST switch to PDT (UTC−7) during daylight saving time.

How do I convert KST time to PST time?

Subtract 17 hours from any time in KST to get the time in PST. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

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