Time in CKT and KOST
The time difference between Cook Island Time (CKT) and Kosrae Time (KOST) is 21 hours. Kosrae Time is 21 hours ahead of Cook Island Time.
This means 9am CKT is 6am KOST (next day) and 5pm CKT is 2pm KOST (next day).
Cook Island Time
- The current local time in CKT is 6:04 am (July 19, 2026)
- CKT time zone offset is UTC-10:00
Kosrae Time
- The current local time in KOST is 7:04 am (July 19, 2026)
- KOST time zone offset is UTC+11:00
How to convert Cook Island Time to Kosrae Time?
Add 21 hours to Cook Island Time to get Kosrae Time.
Time in CKT
00:00
Time in KOST
00:00
Use the slider above to convert Cook Island Time to Kosrae 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
| CKT | KOST |
|---|---|
| 12am | 9pm |
| 1am | 10pm |
| 2am | 11pm |
| 3am | 12am |
| 4am | 1am |
| 5am | 2am |
| 6am | 3am |
| 7am | 4am |
| 8am | 5am |
| 9am | 6am |
| 10am | 7am |
| 11am | 8am |
| 12pm | 9am |
| 1pm | 10am |
| 2pm | 11am |
| 3pm | 12pm |
| 4pm | 1pm |
| 5pm | 2pm |
| 6pm | 3pm |
| 7pm | 4pm |
| 8pm | 5pm |
| 9pm | 6pm |
| 10pm | 7pm |
| 11pm | 8pm |