San Francisco to Seoul Time Difference
🇺🇸 San Francisco is currently 16 hours ahead of 🇰🇷 Seoul. This difference varies between 16h and 17h due to Daylight Saving Time.
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Atin 🇺🇸 San Francisco→it will be—in 🇰🇷 Seoul
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Difference
+16h
Business overlap
None
Distance
9,029 km
Approx. flight
10.6h
Hour-by-Hour: San Francisco to Seoul
| 🇺🇸 San Francisco | 🇰🇷 Seoul | Note |
|---|---|---|
| 12:00 AM | 4:00 PM(prev day) | Previous day |
| 1:00 AM | 5:00 PM(prev day) | Previous day |
| 2:00 AM | 6:00 PM(prev day) | Previous day |
| 3:00 AM | 7:00 PM(prev day) | Previous day |
| 4:00 AM | 8:00 PM(prev day) | Previous day |
| 5:00 AM | 9:00 PM(prev day) | Previous day |
| 6:00 AM | 10:00 PM(prev day) | Previous day |
| 7:00 AM | 11:00 PM(prev day) | Previous day |
| 8:00 AM | 12:00 AM | |
| 9:00 AM | 1:00 AM | |
| 10:00 AM | 2:00 AM | |
| 11:00 AM | 3:00 AM | |
| 12:00 PM | 4:00 AM | |
| 1:00 PM | 5:00 AM | |
| 2:00 PM | 6:00 AM | |
| 3:00 PM | 7:00 AM | |
| 4:00 PM | 8:00 AM | |
| 5:00 PM | 9:00 AM | |
| 6:00 PM | 10:00 AM | |
| 7:00 PM | 11:00 AM | |
| 8:00 PM | 12:00 PM | |
| 9:00 PM | 1:00 PM | |
| 10:00 PM | 2:00 PM | |
| 11:00 PM | 3:00 PM |
Daylight Saving Time (DST)
San Francisco observes Daylight Saving Time, while Seoul does not. This causes the time difference to shift between 16 hours ahead and 17 hours ahead depending on the season. Currently, San Francisco is 16 hours ahead relative to Seoul.
Min difference
16h
Max difference
17h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in San Francisco and Seoul. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between San Francisco and Seoul?
The time difference between San Francisco and Seoul is currently 16 hours ahead. San Francisco uses PDT (UTC-7), while Seoul uses GMT+9 (UTC+9). This difference varies seasonally due to Daylight Saving Time, ranging from 16 hours ahead to 17 hours ahead.
When it's noon in San Francisco, what time is it in Seoul?
When it's 12:00 PM (noon) in San Francisco, it is 4:00 AM in Seoul. Use our calculator above to convert any other time.
Does the time difference between San Francisco and Seoul change?
Yes, the time difference changes throughout the year. Because San Francisco observes Daylight Saving Time, the offset shifts between 16 hours ahead and 17 hours ahead at different times of the year.
What are the best times to schedule a call between San Francisco and Seoul?
There is no overlap between standard business hours (9 AM – 6 PM) in San Francisco and Seoul. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is San Francisco ahead or behind Seoul?
San Francisco is currently 16 hours behind Seoul.
What time zone is San Francisco in?
San Francisco is in the America/Los Angeles time zone, currently using PDT (UTC-7). San Francisco observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in San Francisco in Seoul?
When it is midnight (12:00 AM) in San Francisco, it is 4:00 PM in Seoul.