Seoul → Honolulu: Time Difference
Honolulu is 19 hours behind Seoul.
How the difference works
Seoul uses Asia/Seoul (UTC+9 standard time) and Honolulu uses Pacific/Honolulu (UTC-10 standard time) — a standard-time gap of 19 hours behind Seoul. Neither city observes daylight saving time, so the difference stays the same all year.
Distance: about 7,312 km (4,543 mi) great-circle distance.
Seoul → Honolulu, hour by hour
| Seoul | Honolulu | Best hours to call |
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Frequently asked questions
What is the time difference between Seoul and Honolulu?
In standard time, Honolulu is 19 hours behind Seoul. Neither city observes daylight saving time, so the difference stays the same all year.
When it is 9:00 in Seoul, what time is it in Honolulu?
In standard time it is 14:00 the previous day in Honolulu. During daylight saving periods the answer can move by an hour — the live table on this page always reflects today's rules.
How far is Honolulu from Seoul?
About 7,312 km (4,543 miles) as the crow flies, computed from city-center coordinates.