KST PSTTime Converter
KST (UTC+9) is currently 17 hours ahead of PST (UTC−8). Compare live clocks, convert any hour, and find times to meet.
Best time to meet between KST and PST
Best meeting times:
KST: 9:00 AM – 11:00 AM
PST: 4:00 PM – 6:00 PM
Quick answer
When it's in KST, it's the previous day in PST.
KST runs 17 hours ahead of PST. Both sides keep standard office hours with a real 9–6 overlap: the highlighted window above works for everyone.
- Time difference
- −17h 00m
- KST
- UTC+9
- PST
- UTC−8
- Best call window
- 9:00 AM KST
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.
| KST | PST |
|---|---|
| NOW Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Fri, Aug 7 |
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.
Related time zone conversions
Jump straight to another pair: every combination is a live tool, not an article.
From KST
To PST
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 time zone identifiers and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"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 Friday 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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