Time in TOT and CKT
The time difference between Tonga Time (TOT) and Cook Island Time (CKT) is 23 hours. Cook Island Time is 23 hours behind Tonga Time.
This means 9am TOT is 10am CKT (previous day) and 5pm TOT is 6pm CKT (previous day).
Tonga Time
- The current local time in TOT is 1:42 am (July 19, 2026)
- TOT time zone offset is UTC+13:00
Cook Island Time
- The current local time in CKT is 10:42 pm (July 18, 2026)
- CKT time zone offset is UTC-10:00
How to convert Tonga Time to Cook Island Time?
Subtract 23 hours from Tonga Time to get Cook Island Time.
Time in TOT
00:00
Time in CKT
00:00
Use the slider above to convert Tonga Time to Cook Island 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
| TOT | CKT |
|---|---|
| 12am | 1am |
| 1am | 2am |
| 2am | 3am |
| 3am | 4am |
| 4am | 5am |
| 5am | 6am |
| 6am | 7am |
| 7am | 8am |
| 8am | 9am |
| 9am | 10am |
| 10am | 11am |
| 11am | 12pm |
| 12pm | 1pm |
| 1pm | 2pm |
| 2pm | 3pm |
| 3pm | 4pm |
| 4pm | 5pm |
| 5pm | 6pm |
| 6pm | 7pm |
| 7pm | 8pm |
| 8pm | 9pm |
| 9pm | 10pm |
| 10pm | 11pm |
| 11pm | 12am |