Time Difference

Seoul to San Francisco

16h

San Francisco is 16 hours behind Seoul

Seoul
South Korea
Korean Standard Time
GMT+9 · UTC+9
View current time →
San Francisco
United States
Pacific Daylight Time
PDT · UTC-7
View current time →

Time Conversion Table

SeoulSan Francisco
12:00 AM8:00 AM
1:00 AM9:00 AM
2:00 AM10:00 AM
3:00 AM11:00 AM
4:00 AM12:00 PM
5:00 AM1:00 PM
6:00 AM2:00 PM
7:00 AM3:00 PM
8:00 AM4:00 PM
9:00 AM5:00 PM
10:00 AM6:00 PM
11:00 AM7:00 PM
12:00 PM8:00 PM
1:00 PM9:00 PM
2:00 PM10:00 PM
3:00 PM11:00 PM
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
Highlighted rows indicate typical business hours (9 AM – 5 PM)

About the Time Difference

The time difference between Seoul, South Korea and San Francisco, United States is 16 hours. San Francisco is behind Seoul.

Seoul is in the Korean Standard Time timezone (GMT+9, UTC+9), while San Francisco is in the Pacific Daylight Time timezone (PDT, UTC-7).

Note that this time difference can change during Daylight Saving Time transitions. Seoul and San Francisco may observe DST on different dates, which can temporarily shift the difference by one hour. Use Clockzilla to always see the accurate, current time difference.

When scheduling meetings or calls between Seoul and San Francisco, the best overlapping window for business hours is typically limited due to the large time gap. Consider rotating meeting times for fairness, or using asynchronous communication.

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