Time in CKT and IRKT
The time difference between Cook Island Time (CKT) and Irkutsk Time (IRKT) is 18 hours. Irkutsk Time is 18 hours ahead of Cook Island Time.
This means 9am CKT is 3am IRKT (next day) and 5pm CKT is 11am IRKT (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
Irkutsk Time
- The current local time in IRKT is 4:04 am (July 19, 2026)
- IRKT time zone offset is UTC+08:00
How to convert Cook Island Time to Irkutsk Time?
Add 18 hours to Cook Island Time to get Irkutsk Time.
Time in CKT
00:00
Time in IRKT
00:00
Use the slider above to convert Cook Island Time to Irkutsk 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 | IRKT |
|---|---|
| 12am | 6pm |
| 1am | 7pm |
| 2am | 8pm |
| 3am | 9pm |
| 4am | 10pm |
| 5am | 11pm |
| 6am | 12am |
| 7am | 1am |
| 8am | 2am |
| 9am | 3am |
| 10am | 4am |
| 11am | 5am |
| 12pm | 6am |
| 1pm | 7am |
| 2pm | 8am |
| 3pm | 9am |
| 4pm | 10am |
| 5pm | 11am |
| 6pm | 12pm |
| 7pm | 1pm |
| 8pm | 2pm |
| 9pm | 3pm |
| 10pm | 4pm |
| 11pm | 5pm |