Time in ACST and CKT
The time difference between Australian Central Standard Time (ACST) and Cook Island Time (CKT) is 19 hours 30 minutes. Cook Island Time is 19 hours 30 minutes behind Australian Central Standard Time.
This means 9am ACST is 1:30pm CKT (previous day) and 5pm ACST is 9:30pm CKT (previous day).
Australian Central Standard Time
- The current local time in ACST is 10:41 pm (July 18, 2026)
- ACST time zone offset is UTC+09:30
Cook Island Time
- The current local time in CKT is 11:11 pm (July 18, 2026)
- CKT time zone offset is UTC-10:00
How to convert Australian Central Standard Time to Cook Island Time?
Subtract 19 hours 30 minutes from Australian Central Standard Time to get Cook Island Time.
Time in ACST
00:00
Time in CKT
00:00
Use the slider above to convert Australian Central Standard 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
| ACST | CKT |
|---|---|
| 12am | 4:30am |
| 1am | 5:30am |
| 2am | 6:30am |
| 3am | 7:30am |
| 4am | 8:30am |
| 5am | 9:30am |
| 6am | 10:30am |
| 7am | 11:30am |
| 8am | 12:30pm |
| 9am | 1:30pm |
| 10am | 2:30pm |
| 11am | 3:30pm |
| 12pm | 4:30pm |
| 1pm | 5:30pm |
| 2pm | 6:30pm |
| 3pm | 7:30pm |
| 4pm | 8:30pm |
| 5pm | 9:30pm |
| 6pm | 10:30pm |
| 7pm | 11:30pm |
| 8pm | 0:30am |
| 9pm | 1:30am |
| 10pm | 2:30am |
| 11pm | 3:30am |