🇰🇷 Seoul → 🇺🇸 San Mateo
The time difference between Seoul and San Mateo is -16h. Seoul uses KST (UTC+09:00), while San Mateo uses PDT (UTC-07:00).
-16h
Seoul is ahead
Hourly Comparison
| Seoul | San Mateo |
|---|---|
| 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 ↔ San Mateo
- ● Seoul and San Mateo share 1 hours of overlapping business hours (9 AM – 6 PM).
- ● When scheduling calls between Seoul and San Mateo, remember the -16h time difference.
- ● San Mateo 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 San Mateo?
The time difference between Seoul and San Mateo is -16h. Seoul is in the KST timezone, and San Mateo is in the PDT timezone.
When it's 9 AM in Seoul, what time is it in San Mateo?
When it's 9 AM in Seoul, it's 4:00 PM in San Mateo.
Is Seoul ahead or behind San Mateo?
Seoul is ahead of San Mateo by -16h.