Meeting time

Best time to meet: Seoul and San Diego

Seoul is 17 hours ahead of San Diego right now. Their working days overlap for 1 hour: 9 AM to 10 AM in Seoul, which is 4 PM to 5 PM in San Diego. The easiest time to meet is 9 AM in Seoul (4 PM in San Diego).

Wed 12:59 AMSeoul · Korean Standard TimeTue 7:59 AMSan Diego · Pacific Standard Time
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Hour by hour

With the clocks as they are on November 11, 2026, Seoul time on the left. A working day here is 9 AM to 5 PM.

SeoulSan Diego
6 AM1 PM day beforeSan Diego at work
7 AM2 PM day beforeSan Diego at work
8 AM3 PM day beforeSan Diego at work
9 AM4 PM day beforeEasiest time
10 AM5 PM day beforeSeoul at work
11 AM6 PM day beforeSeoul at work
12 PM7 PM day beforeSeoul at work
1 PM8 PM day beforeSeoul at work
2 PM9 PM day beforeSeoul at work
3 PM10 PM day beforeSeoul at work
4 PM11 PM day beforeSeoul at work
5 PM12 AMBoth off
6 PM1 AMBoth off
7 PM2 AMBoth off
8 PM3 AMBoth off
9 PM4 AMBoth off
10 PM5 AMBoth off

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesSeoul isBoth at work (Seoul time)Easiest (Seoul / San Diego)
Now to March 14, 202717 hours ahead9 AM–10 AM (1 hour)9 AM / 4 PM
March 14, 2027 to November 7, 2027
clocks in San Diego go forward		16 hours aheadNone8:30 AM / 4:30 PM
November 7, 2027 onward
clocks in San Diego go back		17 hours ahead9 AM–10 AM (1 hour)9 AM / 4 PM

Seoul keeps the same clock as Tokyo; San Diego keeps the same clock as San Francisco.

Questions people ask

What time is it in San Diego when it is 9 AM in Seoul?
4 PM in San Diego, the day before, while Seoul is 17 hours ahead.
When is the best time for a call between Seoul and San Diego?
9 AM in Seoul, which is 4 PM in San Diego. Both cities are at work from 9 AM to 10 AM Seoul time.
Does the time difference between Seoul and San Diego change during the year?
Yes — it changes 2 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

More cities

New York and SeoulNo shared working hours · fairest at 5:30 PM New York timeLondon and SeoulNo shared working hours · fairest at 8 AM London timeSan Francisco and Seoul1 hour of shared working day · meet at 4 PM San Francisco timeLos Angeles and Seoul1 hour of shared working day · meet at 4 PM Los Angeles timeBangalore and Seoul4 hours 30 minutes of shared working day · meet at 10 AM Bangalore timeSingapore and Seoul7 hours of shared working day · meet at 10 AM Singapore timeSydney and Seoul6 hours of shared working day · meet at 1:30 PM Sydney timeBerlin and SeoulNo shared working hours · fairest at 8:30 AM Berlin timeParis and SeoulNo shared working hours · fairest at 8:30 AM Paris timeToronto and SeoulNo shared working hours · fairest at 5:30 PM Toronto timeChicago and SeoulNo shared working hours · fairest at 5 PM Chicago timeDubai and Seoul3 hours of shared working day · meet at 10 AM Dubai time

Every city from Seoul · Every city from San Diego · All cities · Plan across more than two cities

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