All Comparisons
Time Difference: Seoul vs San Francisco
Current time in both cities, business hours overlap, and best meeting times for teams working across Seoul and San Francisco.
Seoul
—
South Korea
San Francisco
—
United States
San Francisco is 16h behind Seoul
UTC offset: Seoul +9h · San Francisco -7h
Business Hours Overlap
Hours when both Seoul and San Francisco are in business hours (9 AM–5 PM local).
00:00 UTC12:00 UTC23:00 UTC
Both in business hours Seoul only San Francisco only
No business hours overlap
Seoul and San Francisco have no shared 9 AM–5 PM window. Consider early morning or late evening calls.
Convert a Time
Enter a time in Seoul to see what it is in San Francisco.
Working with teammates in Seoul and San Francisco?
Timely automatically converts times in Slack so everyone sees messages in their local timezone — no mental math required.