Meeting time

Best time to meet: Seoul and Houston

Seoul is 15 hours ahead of Houston right now, so their working days do not overlap. The time that asks least of both is 8 AM in Seoul, which is 5 PM in Houston — one of you starts early or stays late.

Wed 12:57 AMSeoul · Korean Standard TimeTue 9:57 AMHouston · Central 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.

SeoulHouston
6 AM3 PM day beforeHouston at work
7 AM4 PM day beforeHouston at work
8 AM5 PM day beforeEasiest time
9 AM6 PM day beforeSeoul at work
10 AM7 PM day beforeSeoul at work
11 AM8 PM day beforeSeoul at work
12 PM9 PM day beforeSeoul at work
1 PM10 PM day beforeSeoul at work
2 PM11 PM day beforeSeoul at work
3 PM12 AMSeoul at work
4 PM1 AMSeoul at work
5 PM2 AMBoth off
6 PM3 AMBoth off
7 PM4 AMBoth off
8 PM5 AMBoth off
9 PM6 AMBoth off
10 PM7 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 / Houston)
Now to March 14, 202715 hours aheadNone8 AM / 5 PM
March 14, 2027 to November 7, 2027
clocks in Houston go forward		14 hours aheadNone7:30 AM / 5:30 PM
November 7, 2027 onward
clocks in Houston go back		15 hours aheadNone8 AM / 5 PM

Seoul keeps the same clock as Tokyo; Houston keeps the same clock as Chicago.

Questions people ask

What time is it in Houston when it is 9 AM in Seoul?
6 PM in Houston, the day before, while Seoul is 15 hours ahead.
When is the best time for a call between Seoul and Houston?
8 AM in Seoul, which is 5 PM in Houston. Their working days do not overlap, so this is the fairest time for both.
Does the time difference between Seoul and Houston 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 timeNew York and Houston7 hours of shared working day · meet at 11 AM New York timeLondon and Houston2 hours of shared working day · meet at 4 PM London 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 time

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

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