Seoul, South Korea
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Asia/SeoulGMT+09:00
San Francisco, United States
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America/Los_AngelesGMT-07:00
16h
Time Difference
0h
Business Hours Overlap
Limited
Good Call Window
Hour-by-Hour Time Conversion
| Seoul | San Francisco | Status |
|---|---|---|
| 12:00 AM | 8:00 AM | |
| 1:00 AM | 9:00 AM | Work in San Francisco |
| 2:00 AM | 10:00 AM | Work in San Francisco |
| 3:00 AM | 11:00 AM | Work in San Francisco |
| 4:00 AM | 12:00 PM | Work in San Francisco |
| 5:00 AM | 1:00 PM | Work in San Francisco |
| 6:00 AM | 2:00 PM | Work in San Francisco |
| 7:00 AM | 3:00 PM | Work in San Francisco |
| 8:00 AM | 4:00 PM | Work in San Francisco |
| 9:00 AM | 5:00 PM | Work in Seoul |
| 10:00 AM | 6:00 PM | Work in Seoul |
| 11:00 AM | 7:00 PM | Work in Seoul |
| 12:00 PM | 8:00 PM | Work in Seoul |
| 1:00 PM | 9:00 PM | Work in Seoul |
| 2:00 PM | 10:00 PM | Work in Seoul |
| 3:00 PM | 11:00 PM | Work in Seoul |
| 4:00 PM | 12:00 AM | Work in Seoul |
| 5:00 PM | 1:00 AM | |
| 6:00 PM | 2:00 AM | |
| 7:00 PM | 3:00 AM | |
| 8:00 PM | 4:00 AM | |
| 9:00 PM | 5:00 AM | |
| 10:00 PM | 6:00 AM | |
| 11:00 PM | 7:00 AM |
More Time Comparisons
About the Time Difference Between Seoul and San Francisco
The time difference between Seoul, South Korea and San Francisco, United States is 16 hours behind.Seoul operates on the Asia/Seoul timezone (GMT+09:00), while San Francisco uses America/Los_Angeles (GMT-07:00).
Scheduling Tips
- Business hours overlap: There are 0 hours when both cities are within typical work hours (9 AM - 5 PM).
- Best call times: Schedule calls during the green-highlighted hours in the conversion table above for optimal timing.
- Daylight Saving Time: Remember that the time difference may change during DST transitions. Always verify current times before important meetings.
Frequently Asked Questions
When it's noon in Seoul, what time is it in San Francisco?
When it's 12:00 PM (noon) in Seoul, it's 8:00 PM in San Francisco.