Seoul to Pleasanton time converter

Pleasanton is 16 hours behind Seoul. When it is 9:00 AM in Seoul, it is 5:00 PM (Mon, Oct 19) in Pleasanton.

Seoul KST

Tuesday, October 20, 2026

Pleasanton PDT

Tuesday, October 20, 2026

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

Seoul to Pleasanton conversion table

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

SeoulPleasanton
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 Pleasanton).

Daylight saving time and the difference

The difference changes during the year because Seoul and Pleasanton 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

Seoul and Pleasanton are 9,073 km (5,638 miles) apart in a straight line.

More conversions

Pleasanton 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 PleasantonLondon to PleasantonLos Angeles to PleasantonChicago to PleasantonToronto to PleasantonSão Paulo to PleasantonParis to PleasantonBerlin to PleasantonMoscow to PleasantonDubai to PleasantonNew Delhi to PleasantonBangkok to Pleasanton

Questions and answers

What is the time difference between Seoul and Pleasanton?

Pleasanton is 16 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 5:00 PM (Mon, Oct 19) in Pleasanton.

When is the best time to call Pleasanton from Seoul?

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

Does the time difference between Seoul and Pleasanton change?

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