PST — Pacific Standard Time

Learn what Pacific Standard Time means, where UTC-8 is used, how it relates to PDT, and how to convert PST to other time zones.

UTC
UTC · UTC
Coordinated Universal TimeGMT +00Tue, Jul 21
12AM3AM6AM9AM12PM3PM6PM9PM
Los Angeles
United States · PDT
Los Angeles Daylight TimeGMT -07Tue, Jul 21
12AM3AM6AM9AM12PM3PM6PM9PM
PST automatically adjusted to PDT time zone, that is in use
globe

Meaning and regions used

PST stands for Pacific Standard Time, the standard-time offset of UTC-8. It is used in parts of Canada, Mexico, and the United States during standard time.

sun

PST and PDT relationship

PST is the non-DST counterpart to PDT. Areas that observe daylight saving switch between PST (UTC-8) and PDT automatically based on local rules tracked from the IANA timezone database.

clock

Convert PST to others

Compare PST with other time zones using hour-by-hour tables and visual time differences. Schedule meetings, export ICS files, and add times to Google Calendar or Gmail.

PST (Pacific Standard Time, UTC-8) is the standard-time designation used in parts of Canada, Mexico, and the United States.

Looking for Pitcairn Standard Time? See /time-converter/pst-pitcairn-time-zone.

How to Convert PST to Other Time Zones

  1. Open the PST converter page: Go to https://www.xconvert.com/time-converter/pst-time-zone to open a visual comparison grid with Pacific Standard Time pre-loaded as the main row. This layout is useful when you are scheduling calls with teams in Los Angeles, Seattle, San Diego, or San Francisco and need to see overlapping working hours instead of typing times manually.

  2. Add comparison cities: Click + Add City and search for cities you want to compare against Pacific Standard Time, such as Los Angeles, Seattle, or San Jose for West Coast coordination, or Burnaby and Okanagan for cross-border work with Canada. This is especially practical for software, media, logistics, and customer support teams that operate across Pacific-facing offices in the United States, Canada, and Mexico.

  3. Select a meeting window on the grid: Click Select to enter selection mode, then drag across the Pacific Standard Time row to highlight a time range in purple; use the left and right handles to fine-tune the start and end, or drag the middle to move the whole block. If you are planning a handoff between teams in San Francisco and Mexicali, this makes it easy to compare a morning or late-afternoon slot visually across every row on the same date.

  4. Export and share the result: After selecting a range, use the export options shown on the page: ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. That is useful when you want to send a confirmed Pacific Standard Time meeting block to remote teammates so the schedule can be added directly to calendars or pasted into email and chat without rewriting the time details.

About Pacific Standard Time (PST)

Pacific Standard Time (PST) stands for Pacific Standard Time and uses the offset UTC-8. That means the time zone is eight hours behind Coordinated Universal Time during standard time periods, making it one of the core time references for the western part of North America.

Pacific Standard Time is used in Canada, Mexico, and the United States. Principal cities associated with PST include Burnaby, Ensenada, Los Angeles, Mexicali, Okanagan, Rosarito, San Diego, San Francisco, San Jose, and Seattle, which makes it highly relevant for cross-border business, travel planning, and regional customer support coverage.

Pacific Standard Time is the standard-time counterpart to PDT. When standard time is in effect, PST is the correct abbreviation to use; when daylight saving time is observed, the abbreviation changes to PDT instead of PST.

Pacific Standard Time also shares the same UTC-8 offset with the abbreviations AKDT, PT, and U. This matters when reviewing schedules, aviation-style references, or international coordination documents where different abbreviations may represent the same offset even though the naming context is different.

PST and Daylight Saving Time

Pacific Standard Time is a standard-time abbreviation, and its daylight saving counterpart is PDT. In practical use, PST refers specifically to the standard-time portion of the annual cycle, while PDT is used during the daylight saving period.

When a region observing Pacific time moves out of standard time, it switches from Pacific Standard Time to PDT. If you are scheduling recurring meetings, this distinction matters because a calendar invite labeled PST is not the same label used during the daylight saving portion of the year.

For business scheduling, the safest approach is to confirm whether a meeting is intended for Pacific Standard Time specifically or for Pacific time generally. That helps avoid mistakes when coordinating with partners in cities such as Los Angeles, Seattle, San Diego, San Francisco, Burnaby, or Mexicali, especially for recurring calls, support shifts, and travel itineraries.

Frequently Asked Questions

What does PST stand for?

Pacific Standard Time stands for Pacific Standard Time, and its UTC offset is UTC-8. It is used in parts of Canada, Mexico, and the United States, including major Pacific-facing cities such as Los Angeles, Seattle, San Diego, San Francisco, and San Jose.

Is PST the same as PDT?

No, Pacific Standard Time is not the same as PDT. PST is the standard-time abbreviation, while PDT is its daylight saving counterpart, so the correct abbreviation depends on whether standard time or daylight saving time is in effect.

Which cities use PST?

Pacific Standard Time is associated with principal cities including Burnaby, Ensenada, Los Angeles, Mexicali, Okanagan, Rosarito, San Diego, San Francisco, San Jose, and Seattle. These cities make PST especially important for West Coast business coordination, regional travel planning, and scheduling across Canada, Mexico, and the United States.

What is the UTC offset for PST?

Pacific Standard Time uses UTC-8. In scheduling terms, that means any meeting, deadline, or travel time listed in PST is based on a time that is eight hours behind UTC during the standard-time period.

When does PST change?

Pacific Standard Time changes when a region observing Pacific time moves from standard time to its daylight saving counterpart, PDT. Because PST is specifically the standard-time abbreviation, it is not the year-round label for places that switch seasonally between standard time and daylight saving time.

Is PST used in more than one country?

Yes, Pacific Standard Time is used in Canada, Mexico, and the United States. That cross-border use makes PST common in industries such as technology, trade, logistics, tourism, and customer support, where teams often coordinate between cities like Seattle, San Francisco, San Diego, Burnaby, Ensenada, and Rosarito.

Is PST Pacific Standard Time or Pitcairn Standard Time?

On this page, PST means Pacific Standard Time, which uses UTC-8. PST can also mean Pitcairn Standard Time, also UTC-8; if you need that meaning instead, use /time-converter/pst-pitcairn-time-zone.