Seoul to San Francisco Time Converter
San Francisco is 17 hours behind Seoul right now. 9:00 AM in Seoul is 4:00 PM in San Francisco (the day before).
Time now: Seoul and San Francisco
San Francisco is 17 hours behind Seoul right now. The gap is not fixed: it is 17 hours at some times of the year and 16 hours at others, because at least one of them changes its clocks for daylight saving time.
Seoul and San Francisco are about 9,029 km (5,610 miles) apart in a straight line. Right now Seoul is on KST (UTC+09:00) and San Francisco is on PST (UTC-08:00).
Seoul to San Francisco conversion table
Every hour of the day, using today's time difference.
| Seoul | San Francisco |
|---|---|
| 12:00 AM | 7:00 AMprevious day |
| 1:00 AM | 8:00 AMprevious day |
| 2:00 AM | 9:00 AMprevious day |
| 3:00 AM | 10:00 AMprevious day |
| 4:00 AM | 11:00 AMprevious day |
| 5:00 AM | 12:00 PMprevious day |
| 6:00 AM | 1:00 PMprevious day |
| 7:00 AM | 2:00 PMprevious day |
| 8:00 AM | 3:00 PMprevious day |
| 9:00 AM | 4:00 PMprevious day |
| 10:00 AM | 5:00 PMprevious day |
| 11:00 AM | 6:00 PMprevious day |
| 12:00 PM | 7:00 PMprevious day |
| 1:00 PM | 8:00 PMprevious day |
| 2:00 PM | 9:00 PMprevious day |
| 3:00 PM | 10:00 PMprevious day |
| 4:00 PM | 11:00 PMprevious day |
| 5:00 PM | 12:00 AM |
| 6:00 PM | 1:00 AM |
| 7:00 PM | 2:00 AM |
| 8:00 PM | 3:00 AM |
| 9:00 PM | 4:00 AM |
| 10:00 PM | 5:00 AM |
| 11:00 PM | 6:00 AM |
Best time to meet between Seoul and San Francisco
Working hours overlap (9 AM – 6 PM in both places):
- 9:00 AM – 11:00 AM Seoul = 4:00 PM – 6:00 PM San Francisco
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between Seoul and San Francisco change?
Yes. Right now San Francisco is 17 hours behind Seoul. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: San Francisco moves its clocks forward. San Francisco is 16 hours behind Seoul from then (it was 17 hours before).
- Sunday, 7 November 2027: San Francisco moves its clocks back. San Francisco is 17 hours behind Seoul from then (it was 16 hours before).
Office hours in each other's time
- 9 AM to 6 PM in Seoul is 4:00 PM (previous day) to 1:00 AM in San Francisco.
- 9 AM to 6 PM in San Francisco is 2:00 AM (next day) to 11:00 AM (next day) in Seoul.
Based on today's clock settings.
Frequently asked questions
What is the time difference between Seoul and San Francisco?
San Francisco is 17 hours behind Seoul right now. The gap is not fixed: it is 17 hours at some times of the year and 16 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert Seoul to San Francisco?
Subtract 17 hours from the Seoul time to get the San Francisco time (at today's difference). 9:00 AM in Seoul is 4:00 PM in San Francisco (the day before). Or use the converter above and pick any date and time.
What is the current time in San Francisco?
It is 3:24 PM in San Francisco on Monday, November 9 (the converter above shows it live). At the same moment it is 8:24 AM in Seoul.
Does the time difference between Seoul and San Francisco change during the year?
Yes. Right now San Francisco is 17 hours behind Seoul. Over the next 12 months the gap changes 2 times: Sunday, 14 March 2027: San Francisco moves its clocks forward. San Francisco is 16 hours behind Seoul from then (it was 17 hours before). Sunday, 7 November 2027: San Francisco moves its clocks back. San Francisco is 17 hours behind Seoul from then (it was 16 hours before).
What is the best time for a meeting between Seoul and San Francisco?
Between 9 AM and 6 PM in both places you can meet at 9:00 AM – 11:00 AM Seoul = 4:00 PM – 6:00 PM San Francisco. Check the overlap section on this page for every option.