Seoul to Honolulu Time Difference
🇰🇷 Seoul is currently 19 hours behind of 🇺🇸 Honolulu.
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Atin 🇰🇷 Seoul→it will be—in 🇺🇸 Honolulu
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Difference
-19h
Business overlap
4h
Distance
7,312 km
Approx. flight
8.6h
Hour-by-Hour: Seoul to Honolulu
| 🇰🇷 Seoul | 🇺🇸 Honolulu | Note |
|---|---|---|
| 12:00 AM | 5:00 AM | |
| 1:00 AM | 6:00 AM | |
| 2:00 AM | 7:00 AM | |
| 3:00 AM | 8:00 AM | |
| 4:00 AM | 9:00 AM | |
| 5:00 AM | 10:00 AM | |
| 6:00 AM | 11:00 AM | |
| 7:00 AM | 12:00 PM | |
| 8:00 AM | 1:00 PM | |
| 9:00 AM | 2:00 PM | |
| 10:00 AM | 3:00 PM | |
| 11:00 AM | 4:00 PM | |
| 12:00 PM | 5:00 PM | |
| 1:00 PM | 6:00 PM | |
| 2:00 PM | 7:00 PM | |
| 3:00 PM | 8:00 PM | |
| 4:00 PM | 9:00 PM | |
| 5:00 PM | 10:00 PM | |
| 6:00 PM | 11:00 PM | |
| 7:00 PM | 12:00 AM(next day) | Next day |
| 8:00 PM | 1:00 AM(next day) | Next day |
| 9:00 PM | 2:00 AM(next day) | Next day |
| 10:00 PM | 3:00 AM(next day) | Next day |
| 11:00 PM | 4:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Seoul nor Honolulu observes Daylight Saving Time. The time difference is always 19 hours behind.
Best Meeting Times
There are 4 overlapping business hours between Seoul and Honolulu (9 AM – 6 PM in each city).
🇰🇷 Seoul
9:00 AM – 1:00 PM
🇺🇸 Honolulu
2:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Seoul and Honolulu?
The time difference between Seoul and Honolulu is currently 19 hours behind. Seoul uses GMT+9 (UTC+9), while Honolulu uses HST (UTC-10).
When it's noon in Seoul, what time is it in Honolulu?
When it's 12:00 PM (noon) in Seoul, it is 5:00 PM in Honolulu. Use our calculator above to convert any other time.
Does the time difference between Seoul and Honolulu change?
No. The time difference between Seoul and Honolulu is always 19 hours behind — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Seoul and Honolulu?
The best time to call is between 9:00 AM and 1:00 PM in Seoul (which is 2:00 PM – 6:00 PM in Honolulu). This 4-hour window falls within business hours in both cities.
Is Seoul ahead or behind Honolulu?
Seoul is currently 19 hours ahead of Honolulu.
What time zone is Seoul in?
Seoul is in the Asia/Seoul time zone, currently using GMT+9 (UTC+9). Seoul does not observe Daylight Saving Time.
What time is midnight in Seoul in Honolulu?
When it is midnight (12:00 AM) in Seoul, it is 5:00 AM in Honolulu.