Time in COST and KST
The time difference between Colombia Summer Time (COST) and Korea Standard Time (KST) is 13 hours. Korea Standard Time is 13 hours ahead of Colombia Summer Time.
This means 9am COST is 10pm KST and 5pm COST is 6am KST (next day).
Colombia Summer Time
- The current local time in COST is 5:35 pm (July 18, 2026)
- COST time zone offset is UTC-04:00
Korea Standard Time
- The current local time in KST is 10:35 pm (July 18, 2026)
- KST time zone offset is UTC+09:00
How to convert Colombia Summer Time to Korea Standard Time?
Add 13 hours to Colombia Summer Time to get Korea Standard Time.
Time in COST
00:00
Time in KST
00:00
Use the slider above to convert Colombia Summer Time to Korea Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| COST | KST |
|---|---|
| 12am | 1pm |
| 1am | 2pm |
| 2am | 3pm |
| 3am | 4pm |
| 4am | 5pm |
| 5am | 6pm |
| 6am | 7pm |
| 7am | 8pm |
| 8am | 9pm |
| 9am | 10pm |
| 10am | 11pm |
| 11am | 12am |
| 12pm | 1am |
| 1pm | 2am |
| 2pm | 3am |
| 3pm | 4am |
| 4pm | 5am |
| 5pm | 6am |
| 6pm | 7am |
| 7pm | 8am |
| 8pm | 9am |
| 9pm | 10am |
| 10pm | 11am |
| 11pm | 12pm |