San Francisco SeoulTime Converter
San Francisco (PDT, UTC−7) is currently 16 hours behind Seoul (KST, UTC+9). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in San Francisco, it's the next day in Seoul.
San Francisco (PST/PDT) runs 16 hours behind Seoul (KST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- +16h 00m
- San Francisco
- UTC−7
- Seoul
- UTC+9
- Best call window
- 5:00 PM PDT
San Francisco to Seoul conversion table
The next 12 hours in San Francisco and the matching local time in Seoul. The current hour is highlighted; drag the converter's slider and the table follows.
| San Francisco · PDT | Seoul · KST |
|---|---|
| NOW Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Mon, Jul 27 |
Best time to meet between San Francisco & Seoul
Working hours are 9am–6pm in each city. The bright band is where they overlap: both sides at their desks.
Daylight saving shifts this gap by up to 1 hour
The difference between San Francisco and Seoul swings between 16 and 17 hours across the year as each side starts or ends daylight saving. Clocks in San Francisco move back 1 hour to PST (UTC−8) on Sunday, November 1, 2026. Seoul does not observe 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 San Francisco
To Seoul
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 San Francisco time in Seoul?", 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": "San Francisco → Seoul",
"url": "https://worldclock.pro/en/convert/san-francisco-to-seoul",
"from": {
"name": "San Francisco",
"type": "city",
"abbreviation": "PST",
"daylightAbbreviation": "PDT",
"iana": "America/Los_Angeles",
"standardUtcOffset": "-08:00",
"daylightUtcOffset": "-07:00",
"referenceCity": "San Francisco"
},
"to": {
"name": "Seoul",
"type": "city",
"abbreviation": "KST",
"daylightAbbreviation": null,
"iana": "Asia/Seoul",
"standardUtcOffset": "+09:00",
"daylightUtcOffset": null,
"referenceCity": "Seoul"
},
"currentDifferenceMinutes": 960,
"possibleDifferencesMinutes": [
960,
1020
],
"note": "Between the regions that use these zones the difference is 16 and 17 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 San Francisco and Seoul?
San Francisco is currently 16 hours behind Seoul. San Francisco is on PDT (UTC−7) and Seoul is on KST (UTC+9). The difference can change when either side starts or ends daylight saving time.
Is Seoul ahead of or behind San Francisco?
Seoul is currently 16 hours ahead of San Francisco.
When it is 9:00 AM in San Francisco, what time is it in Seoul?
When it is 9:00 AM on a Sunday in San Francisco, it is 1:00 AM the next day in Seoul.
Do San Francisco and Seoul observe daylight saving time?
Clocks in San Francisco move back 1 hour to PST (UTC−8) on Sunday, November 1, 2026. Seoul does not observe daylight saving time.
How do I convert San Francisco time to Seoul time?
Add 16 hours to any time in San Francisco to get the time in Seoul. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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