Time in TOT and CIST
The time difference between Tonga Time (TOT) and Clipperton Island Standard Time (CIST) is 21 hours. Clipperton Island Standard Time is 21 hours behind Tonga Time.
This means 9am TOT is 12pm CIST (previous day) and 5pm TOT is 8pm CIST (previous day).
Tonga Time
- The current local time in TOT is 9:27 pm (September 2, 2026)
- TOT time zone offset is UTC+13:00
Clipperton Island Standard Time
- The current local time in CIST is 4:27 pm (September 2, 2026)
- CIST time zone offset is UTC-08:00
How to convert Tonga Time to Clipperton Island Standard Time?
Subtract 21 hours from Tonga Time to get Clipperton Island Standard Time.
Time in TOT
00:00
Time in CIST
00:00
Use the slider above to convert Tonga Time to Clipperton Island 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
| TOT | CIST |
|---|---|
| 12am | 3am |
| 1am | 4am |
| 2am | 5am |
| 3am | 6am |
| 4am | 7am |
| 5am | 8am |
| 6am | 9am |
| 7am | 10am |
| 8am | 11am |
| 9am | 12pm |
| 10am | 1pm |
| 11am | 2pm |
| 12pm | 3pm |
| 1pm | 4pm |
| 2pm | 5pm |
| 3pm | 6pm |
| 4pm | 7pm |
| 5pm | 8pm |
| 6pm | 9pm |
| 7pm | 10pm |
| 8pm | 11pm |
| 9pm | 12am |
| 10pm | 1am |
| 11pm | 2am |