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