Time in CKT and IST
The time difference between Cook Island Time (CKT) and Irish Standard Time (IST) is 11 hours. Irish Standard Time is 11 hours ahead of Cook Island Time.
This means 9am CKT is 8pm IST and 5pm CKT is 4am IST (next day).
Cook Island Time
- The current local time in CKT is 6:06 am (July 19, 2026)
- CKT time zone offset is UTC-10:00
Irish Standard Time
- The current local time in IST is 9:06 pm (July 18, 2026)
- IST time zone offset is UTC+01:00
How to convert Cook Island Time to Irish Standard Time?
Add 11 hours to Cook Island Time to get Irish Standard Time.
Time in CKT
00:00
Time in IST
00:00
Use the slider above to convert Cook Island Time to Irish 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
| CKT | IST |
|---|---|
| 12am | 11am |
| 1am | 12pm |
| 2am | 1pm |
| 3am | 2pm |
| 4am | 3pm |
| 5am | 4pm |
| 6am | 5pm |
| 7am | 6pm |
| 8am | 7pm |
| 9am | 8pm |
| 10am | 9pm |
| 11am | 10pm |
| 12pm | 11pm |
| 1pm | 12am |
| 2pm | 1am |
| 3pm | 2am |
| 4pm | 3am |
| 5pm | 4am |
| 6pm | 5am |
| 7pm | 6am |
| 8pm | 7am |
| 9pm | 8am |
| 10pm | 9am |
| 11pm | 10am |