🇰🇷 Seoul → 🇺🇸 Honolulu
The time difference between Seoul and Honolulu is -19h. Seoul uses KST (UTC+09:00), while Honolulu uses HST (UTC-10:00).
-19h
Seoul is ahead
Hourly Comparison
| Seoul | Honolulu |
|---|---|
| 00:00 | 05:00 |
| 01:00 | 06:00 |
| 02:00 | 07:00 |
| 03:00 | 08:00 |
| 04:00 | 09:00 |
| 05:00 | 10:00 |
| 06:00 | 11:00 |
| 07:00 | 12:00 |
| 08:00 | 13:00 |
| 09:00 | 14:00 |
| 10:00 | 15:00 |
| 11:00 | 16:00 |
| 12:00 | 17:00 |
| 13:00 | 18:00 |
| 14:00 | 19:00 |
| 15:00 | 20:00 |
| 16:00 | 21:00 |
| 17:00 | 22:00 |
| 18:00 | 23:00 |
| 19:00 | 00:00 |
| 20:00 | 01:00 |
| 21:00 | 02:00 |
| 22:00 | 03:00 |
| 23:00 | 04:00 |
Tips for Seoul ↔ Honolulu
- ● Seoul and Honolulu share 4 hours of overlapping business hours (9 AM – 6 PM).
- ● When scheduling calls between Seoul and Honolulu, remember the -19h time difference.
Frequently Asked Questions
What is the time difference between Seoul and Honolulu?
The time difference between Seoul and Honolulu is -19h. Seoul is in the KST timezone, and Honolulu is in the HST timezone.
When it's 9 AM in Seoul, what time is it in Honolulu?
When it's 9 AM in Seoul, it's 2:00 PM in Honolulu.
Is Seoul ahead or behind Honolulu?
Seoul is ahead of Honolulu by -19h.