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America/Los_Angeles

America/Los_Angeles is the IANA time zone for Pacific in the United States.

UTC−07:00

Mon, Sep 28 UTC−7 PDT

Offsets and daylight saving time

Standard offset
UTC−08:00
Daylight offset
UTC−07:00
Rule
Daylight saving time from the second Sunday in March at 02:00 to the first Sunday in November at 02:00 (local time).

Next clock changes

  • Sunday, November 1, 2026 at 02:00: back to UTC−8 (PDT → PST)
  • Sunday, March 14, 2027 at 02:00: forward to UTC−7 (PST → PDT)

Names

Generic name
Pacific Time
Abbreviation
PST / PDT
Standard / daylight
Pacific Standard Time / Pacific Daylight Time
Aliases
PST8PDT and US/Pacific (old ids that resolve to America/Los_Angeles)

Use it in code

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

# Python
from zoneinfo import ZoneInfo
ZoneInfo('America/Los_Angeles')

-- PostgreSQL
SELECT now() AT TIME ZONE 'America/Los_Angeles';

Cities in America/Los_Angeles

Also in this zone: San Jose, San Francisco, Seattle, Portland, Las Vegas, Fresno, Sacramento, Long Beach, Oakland, Bakersfield, Anaheim, Riverside, Santa Ana, Stockton, Henderson, Chula Vista.

Offset history since 1970

  • 1970–2026: UTC−8 and UTC−7 each year

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