KST to HST: Korea Standard Time to Hawaii-Aleutian Standard Time

19 hours behind KST

HST compared with KST, right now. Swap: HST to KST ⇄

Find a time that works in both places

Hour comparison appears when this page finishes loading.

KST to HST conversion table

For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.

KSTHST
12:00 AM5:00 AM (previous day)
1:00 AM6:00 AM (previous day)
2:00 AM7:00 AM (previous day)
3:00 AM8:00 AM (previous day)
4:00 AM9:00 AM (previous day)
5:00 AM10:00 AM (previous day)
6:00 AM11:00 AM (previous day)
7:00 AM12:00 PM (previous day)
8:00 AM1:00 PM (previous day)
9:00 AM2:00 PM (previous day)
10:00 AM3:00 PM (previous day)
11:00 AM4:00 PM (previous day)
12:00 PM5:00 PM (previous day)
1:00 PM6:00 PM (previous day)
2:00 PM7:00 PM (previous day)
3:00 PM8:00 PM (previous day)
4:00 PM9:00 PM (previous day)
5:00 PM10:00 PM (previous day)
6:00 PM11:00 PM (previous 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

About these time zones

KST: Korean Standard Time

Korea Standard Time (KST). South Korea, including Seoul and Busan. KST is UTC+9 all year.

No clock change is scheduled; the offset stays the same all year.

HST: Hawaii-Aleutian Standard Time

Hawaii-Aleutian Standard Time (HST). Hawaii, which stays on UTC−10 all year and does not observe daylight saving time.

No clock change is scheduled; the offset stays the same all year.

Questions about KST and HST time

What is the time difference between KST and HST?

HST is 19 hours behind KST. Neither side uses daylight saving time, so the difference is the same all year.

When it is 9:00 AM in KST, what time is it in HST?

On Tuesday, November 3, 2026, 9:00 AM in KST was 2:00 PM (previous day) in HST. The conversion table above shows today’s values.

Do the clocks change in KST or HST?

KST does not change its clocks. HST does not change its clocks.

Is KST the same as KST?

Korea Standard Time does not use daylight saving time, so KST applies all year.

Convert any date, time and city · Meeting planner for three or more places

What would you like to work out?