Seoul to San Francisco time converter

San Francisco is 16 hours behind Seoul. When it is 9:00 AM in Seoul, it is 5:00 PM (Tue, Oct 20) in San Francisco.

Seoul KST

Wednesday, October 21, 2026

San Francisco PDT

Wednesday, October 21, 2026

Seoul
South Korea
Wed, Oct 21
KSTUTC+9
San Francisco
California, United States
Wed, Oct 21
PDTUTC-7-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to San Francisco conversion table

Every hour of today in Seoul and the matching time in San Francisco. Light rows are typical working hours (9:00–18:00).

SeoulSan Francisco
12:00 AM8:00 AM−1 day
1:00 AM9:00 AM−1 day
2:00 AM10:00 AM−1 day
3:00 AM11:00 AM−1 day
4:00 AM12:00 PM−1 day
5:00 AM1:00 PM−1 day
6:00 AM2:00 PM−1 day
7:00 AM3:00 PM−1 day
8:00 AM4:00 PM−1 day
9:00 AM5:00 PM−1 day
10:00 AM6:00 PM−1 day
11:00 AM7:00 PM−1 day
12:00 PM8:00 PM−1 day
1:00 PM9:00 PM−1 day
2:00 PM10:00 PM−1 day
3:00 PM11:00 PM−1 day
4:00 PM12:00 AM
5:00 PM1:00 AM
6:00 PM2:00 AM
7:00 PM3:00 AM
8:00 PM4:00 AM
9:00 PM5:00 AM
10:00 PM6:00 AM
11:00 PM7:00 AM

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Seoul (5:00 PM – 6:00 PM in San Francisco).

Daylight saving time and the difference

The difference changes during the year because Seoul and San Francisco switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -16h
  • Nov 1, 2026 – Mar 14, 2027: -17h
  • Mar 14, 2027 – Oct 21, 2027: -16h

Distance

Seoul and San Francisco are 9,029 km (5,610 miles) apart in a straight line.

More conversions

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New York to San FranciscoLondon to San FranciscoLos Angeles to San FranciscoChicago to San FranciscoToronto to San FranciscoSão Paulo to San FranciscoParis to San FranciscoBerlin to San FranciscoMoscow to San FranciscoDubai to San FranciscoNew Delhi to San FranciscoBangkok to San Francisco

Questions and answers

What is the time difference between Seoul and San Francisco?

San Francisco is 16 hours behind Seoul.

What time is it in San Francisco when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 5:00 PM (Tue, Oct 20) in San Francisco.

When is the best time to call San Francisco from Seoul?

Both sides are at work from 9:00 AM – 10:00 AM in Seoul (5:00 PM – 6:00 PM in San Francisco).

Does the time difference between Seoul and San Francisco change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.