All of the Cook Islands keeps one time, UTC−10, all year round.
The Cook Islands at a glance
| Capital | Avarua |
|---|---|
| UTC offsets | UTC−10 |
| IANA time zones | 1 |
| Daylight saving time | Not observed since 1991 |
Which time zone the Cook Islands uses
The whole of the Cook Islands follows one IANA time zone: Pacific/Rarotonga.
| Time zone | Time now | UTC offset | Daylight saving time | Main cities |
|---|---|---|---|---|
| Pacific/Rarotonga | --:-- | UTC−10 | Not observed | Avarua |
Daylight saving time in the Cook Islands
Clocks in the Cook Islands last changed for daylight saving time in 1991. Since then the offset has stayed the same all year.
Local time in the largest cities of the Cook Islands
| City | Region | Time now | Time zone |
|---|---|---|---|
| Avarua | Rarotonga | --:-- | Pacific/Rarotonga |
Time difference between the Cook Islands and other countries
A 9:00 AM start in the Cook Islands is 2:00 PM in New York, 6:00 AM (next day) in Sydney and 11:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 5 h ahead | 5 h ahead | 6 h ahead |
| Los Angeles (United States) | --:-- | 2 h ahead | 2 h ahead | 3 h ahead |
| London (United Kingdom) | --:-- | 10 h ahead | 10 h ahead | 11 h ahead |
| Paris (France) | --:-- | 11 h ahead | 11 h ahead | 12 h ahead |
| Dubai (United Arab Emirates) | --:-- | 14 h ahead | 14 h ahead | 14 h ahead |
| Mumbai (India) | --:-- | 15 h 30 min ahead | 15 h 30 min ahead | 15 h 30 min ahead |
| Singapore | --:-- | 18 h ahead | 18 h ahead | 18 h ahead |
| Tokyo (Japan) | --:-- | 19 h ahead | 19 h ahead | 19 h ahead |
| Sydney (Australia) | --:-- | 21 h ahead | 21 h ahead | 20 h ahead |
| UTC | --:-- | 10 h ahead | 10 h ahead | 10 h ahead |
Daylight across the Cook Islands
In Avarua, daylight runs from 10 hours 51 minutes at the June solstice to 13 hours 26 minutes at the December solstice.
Same clock as the Cook Islands right now
These countries read the same time as the Cook Islands today. Those marked with daylight saving time will drift away when their clocks change.
Plan around the time in the Cook Islands
- Convert a time to or from the Cook Islands: pick a date and time and see it in every city on your list.
- Add Avarua to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in the Cook Islands and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
How many time zones does the Cook Islands have?
One: Pacific/Rarotonga, at UTC−10 all year.
Does the Cook Islands use daylight saving time?
Not any more. Clocks last changed for daylight saving time in 1991.
What is the time difference between the Cook Islands and New York?
The Cook Islands is 5 hours behind New York in January and 6 hours behind New York in July, because New York moves its clocks for daylight saving time and the Cook Islands does not.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.