California • Live Time-Zone Reference

California Time Zone

California is in the Pacific Time Zone (PT) statewide. California uses Pacific Standard Time (PST) at UTC−08:00 during standard time and Pacific Daylight Time (PDT) at UTC−07:00 while daylight saving time is in effect.

Quick answer: Los Angeles, San Diego, San Francisco, Sacramento, San Jose and every other California community share the same official Pacific Time clock. The abbreviation changes between PST and PDT during the year, but California does not contain an internal time-zone boundary.
Time zonePacific TimePT statewide
Standard timePSTUTC−08:00
Daylight timePDTUTC−07:00
Search a California city, nearby state, Pacific Time abbreviation or UTC offset.

California Time Zone by Major City

California has no internal time-zone split. Major cities throughout the state use the same Pacific Time rules, abbreviation and UTC offset on the same date.

Current time across California →
California LocationCurrent TimeCurrent AbbreviationCurrent UTC OffsetTime-Zone Guide
Los AngelesLiveLos Angeles Time Zone
San DiegoLiveCalifornia Pacific Time
San FranciscoLiveCalifornia Pacific Time
SacramentoLiveCalifornia Pacific Time
San JoseLiveCalifornia Pacific Time
OaklandLiveCalifornia Pacific Time
California Pacific Time

Pacific Time in California Now

California uses one statewide Pacific Time clock. The abbreviation and UTC offset change with the daylight-saving season, while the IANA location rule stays America/Los_Angeles.

California · Pacific TimeLive timeAmerica/Los_Angeles · current abbreviation and offset
Most of ArizonaLive timeAmerica/Phoenix · MST · UTC−07:00
UTC ReferenceLive timeCoordinated Universal Time · UTC+00:00
California–Arizona DifferenceDate-awareUpdates from current offsets.

California UTC Offset: PST vs PDT

California has one time zone, but two seasonal UTC offsets. The correct offset depends on the date.

Explore UTC offsets →
California PeriodIANA ZoneAbbreviationUTC OffsetWhat Happens
Standard TimeAmerica/Los_AngelesPSTUTC−08:00California is eight hours behind UTC.
Daylight Saving TimeAmerica/Los_AngelesPDTUTC−07:00California advances one hour.
California right nowAmerica/Los_AngelesLive

California Standard Time vs Daylight Time

California currently follows the seasonal U.S. daylight-saving schedule. The state remains in Pacific Time year-round, but the fixed abbreviation and UTC offset change.

Daylight Saving Time guide →
California TimeAbbreviationUTC Offset2026 StatusClock Action
Pacific Standard Time periodPSTUTC−08:00Before Mar 8 and from Nov 1Standard clock
Pacific Daylight Time periodPDTUTC−07:00Mar 8 through Nov 1Clock advanced one hour

Compare California Time

Compare California with Arizona or another major U.S. or world location. The live comparison uses current UTC offsets, so seasonal differences update automatically.

Live time
Current abbreviation and UTC offset
Live time
Current abbreviation and UTC offset

How California Time Works

Six facts explain the state’s time-zone rules, seasonal abbreviations and the common California–Arizona confusion.

01 · Statewide

California Uses Pacific Time

California is a single-zone state. Los Angeles, San Diego, San Francisco, Sacramento, San Jose and the rest of the state share one official clock.

02 · Standard Time

PST Means UTC−08:00

During standard time, California uses Pacific Standard Time, eight hours behind UTC.

03 · Daylight Time

PDT Means UTC−07:00

During daylight saving time, California advances one hour and uses Pacific Daylight Time.

04 · IANA

America/Los_Angeles Carries the Rules

The IANA location zone stores California’s historical and seasonal Pacific Time transitions so software can calculate the right offset for a date.

05 · Arizona

Same Clock, Different Zone Rules

During California’s PDT period, both California and most of Arizona are UTC−07:00. In California’s PST period, California becomes one hour behind most of Arizona.

06 · DST Policy

Proposition 7 Did Not End Clock Changes

California voters gave the Legislature authority to change DST under specified conditions, but the current seasonal schedule remains in effect.

Why California and Arizona Can Show the Same Time

California and most of Arizona use different time-zone rules, even when their clocks happen to match. Most of Arizona stays on Mountain Standard Time at UTC−07:00 all year. California is UTC−07:00 only while it is on Pacific Daylight Time.

During California daylight timeCalifornia = PDT (UTC−07:00). Most of Arizona = MST (UTC−07:00). The clocks match.
During California standard timeCalifornia = PST (UTC−08:00). Most of Arizona = MST (UTC−07:00). California is one hour behind.
Why the names still differPDT and MST are different civil-time rules even when they share the same numerical UTC offset.

Did Proposition 7 End Daylight Saving Time in California?

No. California Proposition 7, approved in 2018, allowed the Legislature—with a two-thirds vote—to change the state’s daylight-saving period when the change is consistent with federal law. The Legislative Analyst’s Office stated that absent a valid legislative change, California would maintain the current seasonal DST period.

California therefore continues to switch between PST and PDT under the current rules. A vote to study or authorize future changes is not the same as an enacted permanent-time rule.

Visual Geography

California on the U.S. Time Zone Map

California is entirely within Pacific Time, so there is no internal state time-zone boundary to map. Use the U.S. map to see California’s place in the national zone system, or the Pacific Time map to explore the broader zone geography.

Looking for the Current Time in California?

This page explains California’s time zone, UTC offset, PST/PDT abbreviations and daylight-saving rules. If your main question is what time it is in California right now, open the statewide current-time page or a city clock below.

Sources & Methodology

CalendarHours uses location-aware, date-aware time-zone logic rather than permanently hardcoding California as PST or PDT. America/Los_Angeles is the IANA zone used to calculate California Pacific Time transitions and the current UTC offset.

The IANA Time Zone Database is the primary rules source for civil offsets and transitions. The latest release verified for this page is tzdb 2026c, dated July 8, 2026. U.S. daylight-saving dates are checked against NIST; federal zone boundaries are checked against 49 CFR Part 71; California’s Proposition 7 status is checked against the California Legislative Analyst’s Office; and Time.gov provides the U.S. national web clock.

Reviewed August 19, 2026. This URL is evergreen; live time, active PST/PDT abbreviation and UTC offset update automatically from supported browser time-zone data.

California Time Zone FAQ

What time zone is California in?

California is in the Pacific Time Zone. It uses PST (UTC−08:00) during standard time and PDT (UTC−07:00) during daylight saving time.

Is California PST or PDT right now?

The active abbreviation depends on the date. California uses PST during standard time and PDT during daylight saving time. The live clock above calculates the current status from America/Los_Angeles.

Does all of California use the same time zone?

Yes. California uses Pacific Time statewide, so Los Angeles, San Diego, San Francisco, Sacramento, San Jose and the rest of the state share the same official civil time.

What is the UTC offset in California?

California uses UTC−08:00 during PST and UTC−07:00 during PDT.

Does California observe daylight saving time?

Yes. In 2026, California daylight saving time runs from March 8 at 2:00 a.m. local time to November 1 at 2:00 a.m. local time.

Why are California and Arizona sometimes the same time?

Most of Arizona stays on MST at UTC−07:00 all year. California is also UTC−07:00 while on PDT, so the clocks match during that period. When California returns to PST at UTC−08:00, California is one hour behind most of Arizona.

What IANA time zone does California use?

America/Los_Angeles is the standard IANA time-zone identifier used for California Pacific Time rules and transitions.

Did California Proposition 7 end daylight saving time?

No. Proposition 7 authorized the Legislature to change daylight-saving rules under specified conditions, but it did not itself establish permanent time. California continues to use the seasonal PST/PDT schedule.

Is Los Angeles the same time as San Francisco?

Yes. Los Angeles, San Francisco, San Diego, Sacramento and San Jose all use Pacific Time and share the same official clock.

When do California clocks change in 2026?

California moved from PST to PDT on March 8, 2026 at 2:00 a.m. local time and returns from PDT to PST on November 1, 2026 at 2:00 a.m. local time.