Seoul to Seattle time converter

Seattle is 16 hours behind Seoul. When it is 9:00 AM in Seoul, it is 5:00 PM (Sat, Oct 17) in Seattle.

Seoul KST

Sunday, October 18, 2026

Seattle PDT

Sunday, October 18, 2026

Seoul
South Korea
Sun, Oct 18
KSTUTC+9
Seattle
Washington, United States
Sun, Oct 18
PDTUTC-7-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Seattle conversion table

Every hour of today in Seoul and the matching time in Seattle. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 9:00 AM – 10:00 AM in Seoul (5:00 PM – 6:00 PM in Seattle).

Daylight saving time and the difference

The difference changes during the year because Seoul and Seattle switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: -16h
  • Nov 1, 2026 – Mar 14, 2027: -17h
  • Mar 14, 2027 – Oct 18, 2027: -16h

Distance

Seoul and Seattle are 8,322 km (5,171 miles) apart in a straight line.

More conversions

Seattle to SeoulSeoul to New YorkSeoul to LondonSeoul to Los AngelesSeoul to ChicagoSeoul to TorontoSeoul to São PauloSeoul to ParisSeoul to BerlinSeoul to MoscowSeoul to DubaiSeoul to New DelhiSeoul to Bangkok
New York to SeattleLondon to SeattleLos Angeles to SeattleChicago to SeattleToronto to SeattleSão Paulo to SeattleParis to SeattleBerlin to SeattleMoscow to SeattleDubai to SeattleNew Delhi to SeattleBangkok to Seattle

Questions and answers

What is the time difference between Seoul and Seattle?

Seattle is 16 hours behind Seoul.

What time is it in Seattle when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 5:00 PM (Sat, Oct 17) in Seattle.

When is the best time to call Seattle from Seoul?

Both sides are at work from 9:00 AM – 10:00 AM in Seoul (5:00 PM – 6:00 PM in Seattle).

Does the time difference between Seoul and Seattle change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.