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Pacific/Honolulu

Pacific/Honolulu is the IANA time zone for Hawaii in the United States.

UTC−10:00

Mon, Sep 28 UTC−10 HST

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
Hawaii-Aleutian Standard Time
Abbreviation
HST
Long name
Hawaii-Aleutian Standard Time
Aliases
HST, Pacific/Johnston and US/Hawaii (old ids that resolve to Pacific/Honolulu)

Use it in code

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

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

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

Cities in Pacific/Honolulu

Offset history since 1970

  • 1970–2026: UTC−10

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