Seoul to Cerritos time converter

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

Seoul KST

Tuesday, October 20, 2026

Cerritos PDT

Monday, October 19, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Cerritos
California, United States
Mon, Oct 19
PDTUTC-7-16h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Cerritos conversion table

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

SeoulCerritos
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 Cerritos).

Daylight saving time and the difference

The difference changes during the year because Seoul and Cerritos 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 Cerritos are 9,613 km (5,973 miles) apart in a straight line.

More conversions

Cerritos 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 CerritosLondon to CerritosLos Angeles to CerritosChicago to CerritosToronto to CerritosSão Paulo to CerritosParis to CerritosBerlin to CerritosMoscow to CerritosDubai to CerritosNew Delhi to CerritosBangkok to Cerritos

Questions and answers

What is the time difference between Seoul and Cerritos?

Cerritos is 16 hours behind Seoul.

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

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

When is the best time to call Cerritos from Seoul?

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

Does the time difference between Seoul and Cerritos change?

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