KST to HST
Convert Korea Time — Seoul to Hawaii Time — Honolulu — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Seoul, it's 2:00 PM in Honolulu. Honolulu is 19 hours behind Seoul. Use the converter above to turn any KST time into HST, or scan the hour-by-hour table below for the full day.
KST to HST at a glance
Planning a meeting between Seoul and Honolulu
Seoul and Honolulu share no standard 9-to-5 overlap, so a live call usually means one side taking an early-morning or late-evening slot. The hourly table below helps you pick the least-inconvenient time for everyone.
Hour-by-hour: Seoul to Honolulu
A full day mapped from KST to HST.
Frequently asked
Is Honolulu ahead of or behind Seoul?
Honolulu is 19 hours behind Seoul.
What is 12:00 PM KST in HST?
12:00 PM in Seoul is 5:00 PM in Honolulu.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so KST and HST automatically reflect the correct daylight-saving offset for the current date.