Time in CKT and TOT
The time difference between Cook Island Time (CKT) and Tonga Time (TOT) is 23 hours. Tonga Time is 23 hours ahead of Cook Island Time.
This means 9am CKT is 8am TOT (next day) and 5pm CKT is 4pm TOT (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
Tonga Time
- The current local time in TOT is 9:04 am (July 19, 2026)
- TOT time zone offset is UTC+13:00
How to convert Cook Island Time to Tonga Time?
Add 23 hours to Cook Island Time to get Tonga Time.
Time in CKT
00:00
Time in TOT
00:00
Use the slider above to convert Cook Island Time to Tonga 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 | TOT |
|---|---|
| 12am | 11pm |
| 1am | 12am |
| 2am | 1am |
| 3am | 2am |
| 4am | 3am |
| 5am | 4am |
| 6am | 5am |
| 7am | 6am |
| 8am | 7am |
| 9am | 8am |
| 10am | 9am |
| 11am | 10am |
| 12pm | 11am |
| 1pm | 12pm |
| 2pm | 1pm |
| 3pm | 2pm |
| 4pm | 3pm |
| 5pm | 4pm |
| 6pm | 5pm |
| 7pm | 6pm |
| 8pm | 7pm |
| 9pm | 8pm |
| 10pm | 9pm |
| 11pm | 10pm |