Time in CKT and IST
The time difference between Cook Island Time (CKT) and Indian Standard Time (IST) is 15 hours 30 minutes. Indian Standard Time is 15 hours 30 minutes ahead of Cook Island Time.
This means 9am CKT is 12:30am IST (next day) and 5pm CKT is 8:30am IST (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
Indian Standard Time
- The current local time in IST is 1:34 am (July 19, 2026)
- IST time zone offset is UTC+05:30
How to convert Cook Island Time to Indian Standard Time?
Add 15 hours 30 minutes to Cook Island Time to get Indian Standard Time.
Time in CKT
00:00
Time in IST
00:00
Use the slider above to convert Cook Island Time to Indian 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 | 3:30pm |
| 1am | 4:30pm |
| 2am | 5:30pm |
| 3am | 6:30pm |
| 4am | 7:30pm |
| 5am | 8:30pm |
| 6am | 9:30pm |
| 7am | 10:30pm |
| 8am | 11:30pm |
| 9am | 0:30am |
| 10am | 1:30am |
| 11am | 2:30am |
| 12pm | 3:30am |
| 1pm | 4:30am |
| 2pm | 5:30am |
| 3pm | 6:30am |
| 4pm | 7:30am |
| 5pm | 8:30am |
| 6pm | 9:30am |
| 7pm | 10:30am |
| 8pm | 11:30am |
| 9pm | 12:30pm |
| 10pm | 1:30pm |
| 11pm | 2:30pm |