Pleasanton to Seoul time converter

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

Pleasanton PDT

Tuesday, October 20, 2026

Seoul KST

Tuesday, October 20, 2026

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

Pleasanton to Seoul conversion table

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

PleasantonSeoul
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 Pleasanton (9:00 AM – 10:00 AM in Seoul).

Daylight saving time and the difference

The difference changes during the year because Pleasanton 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

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

More conversions

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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 Pleasanton and Seoul?

Seoul is 16 hours ahead of Pleasanton.

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

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

When is the best time to call Seoul from Pleasanton?

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

Does the time difference between Pleasanton 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.