CKT to Y Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
CKT and Y examples
These examples always use CKT (UTC-10) and Y (UTC-12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CKT is 2 hours ahead of Y.
How the time difference changes
CKT is 2 hours ahead of Y year-round.
Working hours of 9:00 am to 5:00 pm in CKT correspond to 7:00 am to 3:00 pm in Y.
Compare CKT time with Y time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Cook Island Time is 2 hours ahead of Yankee Time Zone
2:00 am02:00 in CKT is 12:00 am00:00 in Y
CKT to Y call time
Best time for a conference call or a meeting is between 11am-5pm in CKT which corresponds to 9am-3pm in Y
2:00 am02:00 Cook Island Time (CKT). Offset UTC -10:00 hours
12:00 am00:00 Yankee Time Zone (Y). Offset UTC -12:00 hours
2:00 am02:00 CKT / 12:00 am00:00 Y
| CKT | Y |
|---|---|
| 12am (midnight) | 10pm |
| 1am | 11pm |
| 2am | 12am (midnight) |
| 3am | 1am |
| 4am | 2am |
| 5am | 3am |
| 6am | 4am |
| 7am | 5am |
| 8am | 6am |
| 9am | 7am |
| 10am | 8am |
| 11am | 9am |
| 12pm (noon) | 10am |
| 1pm | 11am |
| 2pm | 12pm (noon) |
| 3pm | 1pm |
| 4pm | 2pm |
| 5pm | 3pm |
| 6pm | 4pm |
| 7pm | 5pm |
| 8pm | 6pm |
| 9pm | 7pm |
| 10pm | 8pm |
| 11pm | 9pm |
| 00:00 | 22:00 |
| 01:00 | 23:00 |
| 02:00 | 00:00 |
| 03:00 | 01:00 |
| 04:00 | 02:00 |
| 05:00 | 03:00 |
| 06:00 | 04:00 |
| 07:00 | 05:00 |
| 08:00 | 06:00 |
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 11:00 | 09:00 |
| 12:00 | 10:00 |
| 13:00 | 11:00 |
| 14:00 | 12:00 |
| 15:00 | 13:00 |
| 16:00 | 14:00 |
| 17:00 | 15:00 |
| 18:00 | 16:00 |
| 19:00 | 17:00 |
| 20:00 | 18:00 |
| 21:00 | 19:00 |
| 22:00 | 20:00 |
| 23:00 | 21:00 |
Cook Island Time
Offset: CKT is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: Cook Islands
Principal Cities: The largest city in the CKT time zone is Avarua in Cook Islands, with about 13,373 people.
Daylight Saving: Clocks in Cook Island Time (CKT) do not change for daylight saving time, so CKT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

CKT representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the west of the zero meridian.
- Whiskey - Military abbreviation for CKT
- W - short form of 'Whiskey'
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Yankee Time Zone
Offset: Y is 12 hours behind Greenwich Mean Time (GMT) and is used in Military
Daylight Saving: Clocks in Yankee Time Zone (Y) do not change for daylight saving time, so Y stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
Y representations, usage and related time zones
- -12 - basic short
- -1200 - basic
- -12:00 - extended
- -1200 - sign character (-) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the west of the zero meridian.
- Yankee - Military abbreviation for Y
- Y - short form of 'Yankee'
