Seoul to Kailua time converter

Kailua is 19 hours behind Seoul. When it is 9:00 AM in Seoul, it is 2:00 PM (Tue, Oct 20) in Kailua.

Seoul KST

Wednesday, October 21, 2026

Kailua HST

Tuesday, October 20, 2026

Seoul
South Korea
Wed, Oct 21
KSTUTC+9
Kailua
Hawaii, United States
Tue, Oct 20
HSTUTC-10-19h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Kailua conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 1:00 PM in Seoul (2:00 PM – 6:00 PM in Kailua).

Daylight saving time and the difference

The difference stays 19 hours all year.

Distance

Seoul and Kailua are 7,316 km (4,546 miles) apart in a straight line.

More conversions

Kailua 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 KailuaLondon to KailuaLos Angeles to KailuaChicago to KailuaToronto to KailuaSão Paulo to KailuaParis to KailuaBerlin to KailuaMoscow to KailuaDubai to KailuaNew Delhi to KailuaBangkok to Kailua

Questions and answers

What is the time difference between Seoul and Kailua?

Kailua is 19 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 2:00 PM (Tue, Oct 20) in Kailua.

When is the best time to call Kailua from Seoul?

Both sides are at work from 9:00 AM – 1:00 PM in Seoul (2:00 PM – 6:00 PM in Kailua).

Does the time difference between Seoul and Kailua change?

No. The difference stays 19 hours all year.