Seattle to Seoul Time Converter

Seoul is 17 hours ahead of Seattle right now. 9:00 AM in Seattle is 2:00 AM in Seoul (next day).

Time now: Seattle and Seoul

🇺🇸 Seattle, United States4:21 PMMonday, November 9 · UTC-08:00
🇰🇷 Seoul, South Korea9:21 AMTuesday, November 10 · UTC+09:00

Seoul is 17 hours ahead of Seattle right now. The gap is not fixed: it is 16 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.

Seattle and Seoul are about 8,322 km (5,171 miles) apart in a straight line. Right now Seattle is on PST (UTC-08:00) and Seoul is on KST (UTC+09:00).

Seattle to Seoul conversion table

Every hour of the day, using today's time difference.

SeattleSeoul
12:00 AM5:00 PM
1:00 AM6:00 PM
2:00 AM7:00 PM
3:00 AM8:00 PM
4:00 AM9:00 PM
5:00 AM10:00 PM
6:00 AM11:00 PM
7:00 AM12:00 AMnext day
8:00 AM1:00 AMnext day
9:00 AM2:00 AMnext day
10:00 AM3:00 AMnext day
11:00 AM4:00 AMnext day
12:00 PM5:00 AMnext day
1:00 PM6:00 AMnext day
2:00 PM7:00 AMnext day
3:00 PM8:00 AMnext day
4:00 PM9:00 AMnext day
5:00 PM10:00 AMnext day
6:00 PM11:00 AMnext day
7:00 PM12:00 PMnext day
8:00 PM1:00 PMnext day
9:00 PM2:00 PMnext day
10:00 PM3:00 PMnext day
11:00 PM4:00 PMnext day

Best time to meet between Seattle and Seoul

Working hours overlap (9 AM – 6 PM in both places):

  • 4:00 PM – 6:00 PM Seattle = 9:00 AM – 11:00 AM Seoul

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 Seattle and Seoul change?

Yes. Right now Seoul is 17 hours ahead of Seattle. These are the dates in the next 12 months when the gap changes:

  • Sunday, 14 March 2027: Seattle moves its clocks forward. Seoul is 16 hours ahead of Seattle from then (it was 17 hours before).
  • Sunday, 7 November 2027: Seattle moves its clocks back. Seoul is 17 hours ahead of Seattle from then (it was 16 hours before).

Office hours in each other's time

  • 9 AM to 6 PM in Seattle is 2:00 AM (next day) to 11:00 AM (next day) in Seoul.
  • 9 AM to 6 PM in Seoul is 4:00 PM (previous day) to 1:00 AM in Seattle.

Based on today's clock settings.

Frequently asked questions

What is the time difference between Seattle and Seoul?

Seoul is 17 hours ahead of Seattle right now. The gap is not fixed: it is 16 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.

How do I convert Seattle to Seoul?

Add 17 hours to the Seattle time to get the Seoul time (at today's difference). 9:00 AM in Seattle is 2:00 AM in Seoul (next day). Or use the converter above and pick any date and time.

What is the current time in Seoul?

It is 9:21 AM in Seoul on Tuesday, November 10 (the converter above shows it live). At the same moment it is 4:21 PM in Seattle.

Does the time difference between Seattle and Seoul change during the year?

Yes. Right now Seoul is 17 hours ahead of Seattle. Over the next 12 months the gap changes 2 times: Sunday, 14 March 2027: Seattle moves its clocks forward. Seoul is 16 hours ahead of Seattle from then (it was 17 hours before). Sunday, 7 November 2027: Seattle moves its clocks back. Seoul is 17 hours ahead of Seattle from then (it was 16 hours before).

What is the best time for a meeting between Seattle and Seoul?

Between 9 AM and 6 PM in both places you can meet at 4:00 PM – 6:00 PM Seattle = 9:00 AM – 11:00 AM Seoul. Check the overlap section on this page for every option.