Shoreline to Seoul time converter

Seoul is 16 hours ahead of Shoreline. When it is 9:00 AM in Shoreline, it is 1:00 AM (Wed, Oct 21) in Seoul.

Shoreline PDT

Tuesday, October 20, 2026

Seoul KST

Wednesday, October 21, 2026

Shoreline
Washington, United States
Tue, Oct 20
PDTUTC-7
Seoul
South Korea
Wed, Oct 21
KSTUTC+9+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Shoreline to Seoul conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: +16h
  • Nov 1, 2026 – Mar 14, 2027: +17h
  • Mar 14, 2027 – Oct 20, 2027: +16h

Distance

Shoreline and Seoul are 8,311 km (5,164 miles) apart in a straight line.

More conversions

Seoul to ShorelineShoreline to New YorkShoreline to LondonShoreline to Los AngelesShoreline to ChicagoShoreline to TorontoShoreline to São PauloShoreline to ParisShoreline to BerlinShoreline to MoscowShoreline to DubaiShoreline to New DelhiShoreline to Bangkok
New York to SeoulLondon to SeoulLos Angeles to SeoulChicago to SeoulToronto to SeoulSão Paulo to SeoulParis to SeoulBerlin to SeoulMoscow to SeoulDubai to SeoulNew Delhi to SeoulBangkok to Seoul

Questions and answers

What is the time difference between Shoreline and Seoul?

Seoul is 16 hours ahead of Shoreline.

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

When it is 9:00 AM in Shoreline, it is 1:00 AM (Wed, Oct 21) in Seoul.

When is the best time to call Seoul from Shoreline?

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

Does the time difference between Shoreline and Seoul change?

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