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Time Difference: Honolulu to Seoul
🇺🇸HonoluluUTC-10
vs🇰🇷SeoulUTC+9
🇺🇸
Honolulu, US
Thu, Apr 16
🇰🇷
Seoul, South Korea
Fri, Apr 17
Click a time to convert
Time Difference
19 hours
Seoul is 19 hours ahead of Honolulu
Honolulu vs Seoul timezone guide
Honolulu (US) uses the Pacific/Honolulu timezone at UTC-10, while Seoul (South Korea) uses Asia/Seoul at UTC+9. This means Seoul is 19 hours ahead of Honolulu (based on standard offsets — the live difference above accounts for daylight saving time).
When scheduling a call or meeting between Honolulu and Seoul, look for the overlapping work hours highlighted above. The live clocks on this page update every second, and the difference adjusts automatically when either city enters or exits daylight saving time.