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Pacific/Rarotonga

Pacific/Rarotonga is the IANA time zone for the Cook Islands.

UTC−10:00

Mon, Sep 28 UTC−10

Offsets and daylight saving time

Standard offset
UTC−10:00
Rule
No daylight saving time: UTC−10 all year.

No clock changes are scheduled in the next three years.

Names

Generic name
Cook Islands Standard Time
Long name
Cook Islands Standard Time

Use it in code

// JavaScript
new Intl.DateTimeFormat('en-US', { timeZone: 'Pacific/Rarotonga' })

# Python
from zoneinfo import ZoneInfo
ZoneInfo('Pacific/Rarotonga')

-- PostgreSQL
SELECT now() AT TIME ZONE 'Pacific/Rarotonga';

Cities in Pacific/Rarotonga

Offset history since 1970

  • 1970–1977: UTC−10:30
  • 1978: UTC−10:30 and UTC−9:30 during the year
  • 1979–1991: UTC−10 and UTC−9:30 each year
  • 1992–2026: UTC−10

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