The time difference between San Jose CR and Seoul is 15 hours. When it is 12:00 noon in San Jose CR, it is 03:00 in Seoul. San Jose CR uses the America/Costa_Rica time zone (UTC-6), while Seoul uses Asia/Seoul (UTC+9).
| Detail | San Jose CR | Seoul |
|---|---|---|
| Time Zone ID | America/Costa_Rica | Asia/Seoul |
| UTC Offset | UTC-6 | UTC+9 |
| Abbreviation | CST | KST |
| DST Active | No | No |
| Country | Costa Rica | South Korea |
| Region | North America | Asia |
With a 15 hours gap, there is no standard business-hours overlap between San Jose CR and Seoul. One party will need to adjust their schedule. Early mornings in Seoul or late evenings in San Jose CR tend to be the most practical compromise.
Use this table to quickly convert any hour from San Jose CR time to Seoul time. Rows highlighted in green indicate overlapping business hours in both cities.
| San Jose CR | Seoul | |
|---|---|---|
| 00:00 | 15:00 | Night |
| 01:00 | 16:00 | Night |
| 02:00 | 17:00 | Night |
| 03:00 | 18:00 | Night |
| 04:00 | 19:00 | Night |
| 05:00 | 20:00 | Night |
| 06:00 | 21:00 | |
| 07:00 | 22:00 | |
| 08:00 | 23:00 | |
| 09:00 | 00:00 (+1 day) | |
| 10:00 | 01:00 (+1 day) | |
| 11:00 | 02:00 (+1 day) | |
| 12:00 | 03:00 (+1 day) | |
| 13:00 | 04:00 (+1 day) | |
| 14:00 | 05:00 (+1 day) | |
| 15:00 | 06:00 (+1 day) | |
| 16:00 | 07:00 (+1 day) | |
| 17:00 | 08:00 (+1 day) | |
| 18:00 | 09:00 (+1 day) | |
| 19:00 | 10:00 (+1 day) | |
| 20:00 | 11:00 (+1 day) | |
| 21:00 | 12:00 (+1 day) | |
| 22:00 | 13:00 (+1 day) | Night |
| 23:00 | 14:00 (+1 day) | Night |
Neither San Jose CR nor Seoul is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.
The time difference is 15 hours. Seoul is 15 hours ahead of San Jose CR.
It can. If either San Jose CR or Seoul observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Add 15 hours to San Jose CR time to get Seoul time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.