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Time difference between Seoul (South Korea) and San Francisco (USA)

The time difference between Seoul (UTC+09) and San Francisco (UTC-07) is -16 hours. Compare time between cities.

10:18:35
−16
18:18:35

The exact time difference between Seoul and San Francisco. The time zone for Seoul is UTC+09 (GMT+09), and the time zone for San Francisco is UTC-07 (GMT-07). For example, if the time in Seoul is 12:00, then the time in San Francisco is 20:00. Find out the time zones and exact time in Seoul and San Francisco now.

When planning a call between Seoul and San Francisco, you need to consider that the cities are in different time zones. The time in Seoul is 16 hours is ahead of the time in San Francisco.

Time difference: Seoul - San Francisco

Seoul (South Korea), UTC+9San Francisco (USA), UTC-7
20 Apr 00:0019 Apr 08:00
20 Apr 01:0019 Apr 09:00
20 Apr 02:0019 Apr 10:00
20 Apr 03:0019 Apr 11:00
20 Apr 04:0019 Apr 12:00
20 Apr 05:0019 Apr 13:00
20 Apr 06:0019 Apr 14:00
20 Apr 07:0019 Apr 15:00
20 Apr 08:0019 Apr 16:00
20 Apr 09:0019 Apr 17:00
20 Apr 10:0019 Apr 18:00
20 Apr 11:0019 Apr 19:00
20 Apr 12:0019 Apr 20:00
20 Apr 13:0019 Apr 21:00
20 Apr 14:0019 Apr 22:00
20 Apr 15:0019 Apr 23:00
20 Apr 16:0020 Apr 00:00
20 Apr 17:0020 Apr 01:00
20 Apr 18:0020 Apr 02:00
20 Apr 19:0020 Apr 03:00
20 Apr 20:0020 Apr 04:00
20 Apr 21:0020 Apr 05:00
20 Apr 22:0020 Apr 06:00
20 Apr 23:0020 Apr 07:00

🌐 Seoul: compare time with major cities

Los AngelesUTC-07
18:18:3504/19/2026
Mexico CityUTC-06
19:18:3504/19/2026
New YorkUTC-04
21:18:3504/19/2026
Buenos AiresUTC-03
22:18:3504/19/2026
Sao PauloUTC-03
22:18:3504/19/2026
BerlinUTC+02
03:18:3504/20/2026
LondonUTC+01
02:18:3504/20/2026
ParisUTC+02
03:18:3504/20/2026
CairoUTC+02
03:18:3504/20/2026
IstanbulUTC+03
04:18:3504/20/2026
MoscowUTC+03
04:18:3504/20/2026
DubaiUTC+04
05:18:3504/20/2026
DelhiUTC+05:30
06:48:3504/20/2026
BangkokUTC+07
08:18:3504/20/2026
JakartaUTC+07
08:18:3504/20/2026
Hong KongUTC+08
09:18:3504/20/2026
ShanghaiUTC+08
09:18:3504/20/2026
SingaporeUTC+08
09:18:3504/20/2026
TokyoUTC+09
10:18:3504/20/2026
SydneyUTC+10
11:18:3504/20/2026
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Features of the "Timezone Difference Calculator"

Determine Time Difference Between Cities

Allows you to compare the current time in any two locations, taking into account their time zones.

Automatic Adjustment for Daylight Saving Time

Helps avoid errors when planning international calls and meetings.

Convenient for Work and Travel

Useful for business, logistics, online conferences, and personal meetings with people from different countries.

Tool Description

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This tool allows you to determine the time difference between two cities, taking into account time zones and possible daylight saving time. This is important for organizing international meetings and planning trips.

Select two cities, and the tool will instantly show the time difference, helping to avoid misunderstandings when coordinating meetings and calls.

The service is convenient for business people, travelers, and anyone who works with international partners.

Frequently Asked Questions (FAQ)

The tool automatically shows the current time in two selected cities, their time zones, and the difference between them. It takes daylight saving time changes into account, so the data is always up to date.

Yes, on this page you can see the synchronized current time for both cities, which is updated automatically.

Yes, if one of the cities switches to or from daylight saving time. For example, in San Francisco the difference can be -7 hours in summer and -8 hours in winter.

When planning an online meeting, consider the time offset. If it is 12:00 in Seoul, it will be 04:00 in San Francisco. Our calculator helps to quickly check the time.

If it is 12:00 in Seoul, then in San Francisco it will be 05:00. The difference accounts for time zones and the daylight saving time switch. With the transition to standard time, it will be 04:00.

Seoul is in the UTC+09 time zone (Asia/Seoul). There is no daylight saving time.

San Francisco is in the UTC-08 time zone (America/Los_Angeles). It observes daylight saving time, in summer it is UTC-07.

The difference is usually from 16 to 17 hours and may change due to daylight saving or standard time switches.

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