🇰🇷 Seoul → 🇺🇸 Costa Mesa
The time difference between Seoul and Costa Mesa is -16h. Seoul uses KST (UTC+09:00), while Costa Mesa uses PDT (UTC-07:00).
-16h
Seoul is ahead
Hourly Comparison
| Seoul | Costa Mesa |
|---|---|
| 00:00 | 08:00 |
| 01:00 | 09:00 |
| 02:00 | 10:00 |
| 03:00 | 11:00 |
| 04:00 | 12:00 |
| 05:00 | 13:00 |
| 06:00 | 14:00 |
| 07:00 | 15:00 |
| 08:00 | 16:00 |
| 09:00 | 17:00 |
| 10:00 | 18:00 |
| 11:00 | 19:00 |
| 12:00 | 20:00 |
| 13:00 | 21:00 |
| 14:00 | 22:00 |
| 15:00 | 23:00 |
| 16:00 | 00:00 |
| 17:00 | 01:00 |
| 18:00 | 02:00 |
| 19:00 | 03:00 |
| 20:00 | 04:00 |
| 21:00 | 05:00 |
| 22:00 | 06:00 |
| 23:00 | 07:00 |
Tips for Seoul ↔ Costa Mesa
- ● Seoul and Costa Mesa share 1 hours of overlapping business hours (9 AM – 6 PM).
- ● When scheduling calls between Seoul and Costa Mesa, remember the -16h time difference.
- ● Costa Mesa is currently observing Daylight Saving Time (DST). The time difference may change when DST ends.
Frequently Asked Questions
What is the time difference between Seoul and Costa Mesa?
The time difference between Seoul and Costa Mesa is -16h. Seoul is in the KST timezone, and Costa Mesa is in the PDT timezone.
When it's 9 AM in Seoul, what time is it in Costa Mesa?
When it's 9 AM in Seoul, it's 4:00 PM in Costa Mesa.
Is Seoul ahead or behind Costa Mesa?
Seoul is ahead of Costa Mesa by -16h.