PST — Pacific Standard Time
UTC-8 — learn where PST is used, how it relates to PDT, and compare it with other time zones worldwide.
Countries: Canada, Mexico, Philippines, United States
How to Convert PST to Other Time Zones
Open the PST converter page: Go to https://www.xconvert.com/time-converter/pst-time-zone to load the visual comparison grid with Pacific Standard Time (PST) already shown as the base row. This page is useful when you need to line up working hours with teams in Los Angeles, Seattle, or Tijuana, such as scheduling a software release, a customer support handoff, or a supplier call across North America and Asia.
Add comparison cities: Click “+ Add City” and search for cities that commonly work with PST-based teams, such as New York for finance and media, London for international sales and legal coordination, or Manila for outsourcing, support, and back-office operations. Adding these rows lets you compare PST directly against other major business hubs; for example, PST is 3 hours behind Eastern Time during standard time, so 9:00 AM PST is 12:00 PM in New York.
Select a time range on the grid: Click “Select” if needed, then drag across the PST row to highlight a meeting window, such as 9:00 AM to 11:00 AM PST. On the same grid, you can immediately see that this corresponds to 12:00 PM to 2:00 PM in New York, 5:00 PM to 7:00 PM in London during UK standard time, and 1:00 AM to 3:00 AM the next day in Manila, which helps confirm whether a West Coast morning meeting is practical for global teams.
Export and share the selected time: After selecting the range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is especially useful for sending a confirmed PST-based meeting slot to remote employees, clients, or vendors so each person sees the event in local time without manually converting it.
About Pacific Standard Time (PST)
Pacific Standard Time (PST) stands for the standard-time version of the Pacific Time Zone and has an exact offset of UTC−08:00. That means when it is 12:00 UTC, it is 4:00 AM PST. PST is used in parts of the United States, Canada, and Mexico, and the abbreviation also appears in international coordination because many people search for it when working with West Coast North American schedules.
In the United States and Canada, PST is associated with major Pacific coast population and business centers including Los Angeles, San Diego, San Jose, San Francisco, and Seattle. In Mexico, closely connected border and Baja California cities such as Tijuana, Mexicali, Ensenada, Rosarito, and Tecate also use the Pacific time zone structure tied to the U.S. market, which matters for manufacturing, logistics, cross-border trade, and same-day business operations with California.
PST is the standard-time counterpart of Pacific Daylight Time (PDT). PST is UTC−8, while PDT is UTC−7, so PDT is 1 hour ahead of PST. In practical terms, if it is 9:00 AM PST, the equivalent clock time under PDT would be 10:00 AM for the same UTC moment, which is why meeting times can shift by an hour when daylight saving rules take effect.
Although the term PST is often used casually year-round, the technically correct label depends on the season. During the winter standard-time period, PST is the correct abbreviation; during the daylight saving period, many of the same locations switch to PDT. This distinction matters for airline itineraries, live event scheduling, trading support desks, and distributed engineering teams that work across California, Washington, British Columbia-adjacent business networks, and Baja California.
The page may also reference same-offset abbreviations such as AKDT, PT, and U, which can share the same UTC offset in certain contexts, but they are not interchangeable in all real-world scheduling situations. For business communication, it is best to use the actual local zone label shown on the grid and verify the date, because the same offset on one day may not remain the same after a daylight saving transition.
PST and Daylight Saving Time
PST itself is the non-daylight-saving or standard-time designation for the Pacific zone, but the regions that use it seasonally usually switch to PDT during daylight saving time. When that happens, the offset changes from UTC−08:00 to UTC−07:00, making local clocks 1 hour ahead of standard time. For example, a call set for 8:00 AM PST in winter would align with the same UTC moment as 9:00 AM PDT after the spring transition.
For the current year, 2026, most U.S. Pacific Time locations switch from PST to PDT on Sunday, March 8, 2026, when clocks move forward at 2:00 AM local time to 3:00 AM. They switch back from PDT to PST on Sunday, November 1, 2026, when clocks move back at 2:00 AM local time to 1:00 AM. These dates are important for teams booking recurring meetings with New York, London, Manila, or Sydney, because the time difference can change even if the meeting stays at the same local Pacific clock time.
Not every place connected with Pacific business follows identical daylight saving behavior in every year or jurisdiction, so checking the exact city row on the converter is the safest approach. This is particularly important for cross-border manufacturing in Tijuana, West Coast customer support centers, and international project teams that need to avoid one-hour scheduling mistakes around March and November.
A practical example: during standard time, PST is 8 hours behind UTC and 3 hours behind Eastern Standard Time. After the daylight saving switch, Pacific locations observing summer time become PDT (UTC−7), and the relationship with other regions may stay the same or change depending on whether those regions also changed clocks. That is why selecting the exact date in the converter’s top date picker is essential before exporting a meeting invite.
Frequently Asked Questions
What does PST stand for?
PST stands for Pacific Standard Time. It is the standard-time designation for the Pacific time zone with an exact offset of UTC−08:00, commonly used in the winter months in parts of the United States, Canada, and Mexico.
Is PST the same as PDT?
No, PST and PDT are not the same. PST is UTC−8 and PDT is UTC−7, so PDT is one hour ahead of PST; many Pacific locations use PST in winter and switch to PDT during daylight saving time in spring and summer.
Which cities use PST?
Major cities associated with PST include Los Angeles, San Diego, San Jose, San Francisco, and Seattle in the United States, along with Tijuana, Mexicali, Ensenada, Rosarito, and Tecate in Mexico’s Baja California region. These cities are important hubs for technology, entertainment, logistics, manufacturing, tourism, and cross-border trade, which is why PST is one of the world’s most searched business time zones.
What is the UTC offset for PST?
The UTC offset for PST is UTC−08:00. This means PST is 8 hours behind Coordinated Universal Time, so when it is 6:00 PM UTC, it is 10:00 AM PST on the same day.
When does PST change to PDT?
In 2026, locations that observe Pacific daylight saving time change from PST to PDT on March 8, 2026, at 2:00 AM local time, when clocks move forward to 3:00 AM. They return from PDT to PST on November 1, 2026, at 2:00 AM, when clocks move back to 1:00 AM.
Does PST observe daylight saving time?
PST itself is the standard-time label, so it does not represent the daylight-saving portion of the year. In regions that observe seasonal clock changes, the local time zone uses PDT during daylight saving months and PST during standard time months, which is why the correct abbreviation depends on the date.
How far behind Eastern Time is PST?
During standard time, PST is 3 hours behind Eastern Standard Time. That means 9:00 AM PST equals 12:00 PM EST, which is a common reference point for scheduling meetings between California-based teams and New York-based clients, media companies, or financial partners.
Why do people use “PST” all year even when it may be incorrect?
Many people use “PST” informally as a shortcut for the entire Pacific Time Zone, even though the accurate seasonal label changes to PDT during daylight saving time. This can create confusion in contracts, webinar invitations, and recurring calendar events, so it is better to confirm the exact date and use the converter’s city-based timeline before sharing a meeting time.