Honolulu → Seoul: Time Difference
Seoul is 19 hours ahead of Honolulu.
How the difference works
Honolulu uses Pacific/Honolulu (UTC-10 standard time) and Seoul uses Asia/Seoul (UTC+9 standard time) — a standard-time gap of 19 hours ahead of Honolulu. 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.
Honolulu → Seoul, hour by hour
| Honolulu | Seoul | Best hours to call |
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Frequently asked questions
What is the time difference between Honolulu and Seoul?
In standard time, Seoul is 19 hours ahead of Honolulu. Neither city observes daylight saving time, so the difference stays the same all year.
When it is 9:00 in Honolulu, what time is it in Seoul?
In standard time it is 04:00 the next day in Seoul. 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 Seoul from Honolulu?
About 7,312 km (4,543 miles) as the crow flies, computed from city-center coordinates.