Compare PST vs UTC
See the current time difference between PST and UTC, check DST changes, and find the best hours to schedule meetings.
How to Find the Time Difference Between PST and UTC
Open the PST vs UTC converter: Go to https://www.xconvert.com/time-converter/pst-vs-utc to load the comparison grid with PST and UTC lined up on a 24-hour timeline. This page is useful when you need to schedule a call between the U.S. West Coast and a team using Coordinated Universal Time, such as a London-based operations desk, a cloud infrastructure team that logs incidents in UTC, or an airline workflow that publishes times in UTC.
Add comparison cities relevant to your schedule: Click “+ Add City” and add cities such as Los Angeles, London, and Dubai to see how Pacific time compares with major business hubs that often work off UTC or coordinate through it. This is especially practical for software teams handing off tickets between California and Europe, financial firms watching market opens, or travelers checking whether a UTC flight departure aligns with local Pacific time.
Drag across the grid to compare a real meeting window: Click “Select” if needed, then drag across the PST row from 9:00 AM to 11:00 AM PST to highlight that range in purple; the UTC row will show the matching time as 5:00 PM to 7:00 PM UTC. That confirms a standard West Coast morning meeting lands in the late afternoon in UTC, which is often workable for same-day coordination with European teams but too late for many Asia-Pacific offices.
Export the selected time for your team: After selecting the range, use the export options shown on the page: ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. For example, a project manager can send the Google Calendar link to a distributed engineering team, use Copy to clipboard in Slack, or download the ICS file so every participant sees the meeting automatically converted into their own local timezone.
PST vs UTC Offset Explained
Pacific Standard Time (PST) is UTC-8, which means UTC is 8 hours ahead of PST. When it is 9:00 AM in PST, it is 5:00 PM in UTC on the same calendar day; when it is 11:30 PM PST, it is 7:30 AM UTC the next day. This offset is widely used for coordinating between the U.S. West Coast and global systems because UTC is the standard reference used in aviation, weather data, server logs, satellite operations, and many international APIs.
The key seasonal detail is that PST is only the standard-time offset used during part of the year in places such as Los Angeles, San Francisco, Seattle, Vancouver, and much of the U.S. and Canadian Pacific Time Zone. In the United States, the region typically switches to Pacific Daylight Time (PDT, UTC-7) on the second Sunday in March and returns to PST (UTC-8) on the first Sunday in November. For example, in 2025, Pacific Time changes to daylight saving on March 9, 2025, and switches back to standard time on November 2, 2025, so the difference from UTC becomes 7 hours during the daylight-saving period rather than 8.
This distinction matters because many users search for “PST vs UTC” when they actually mean current Pacific Time, but the exact answer depends on the date. If you are scheduling a support handoff for a SaaS company in San Jose, a cloud maintenance window for an AWS or Azure deployment, or a media release timed for California audiences, a winter meeting at 2:00 PM PST converts to 10:00 PM UTC, while a summer meeting at 2:00 PM PDT converts to 9:00 PM UTC. Using the date picker in the converter helps avoid a one-hour error during March and November transition periods.
UTC itself does not observe daylight saving time, so its offset never changes. That stability is why global industries use UTC as a neutral baseline: airlines publish schedules and operational timestamps in UTC, military and maritime systems rely on it, and international engineering teams often record deployments, outages, and incident timelines in UTC to avoid ambiguity across regions. If your California office is coordinating with a team that says “deployment at 18:00 UTC,” that means 10:00 AM PST in winter or 11:00 AM PDT in summer.
Frequently Asked Questions
What is the exact time difference between PST and UTC?
PST is 8 hours behind UTC, so the relationship is UTC = PST + 8 hours. For a practical example, 8:00 AM PST equals 4:00 PM UTC, and 6:00 PM PST equals 2:00 AM UTC the next day. This exact offset applies only during the standard-time part of the year, not during Pacific daylight saving time.
Is PST always 8 hours behind UTC?
No. PST specifically means UTC-8, but many people use “PST” casually when they actually mean the broader Pacific Time zone year-round. During daylight saving time, cities like Los Angeles, San Diego, San Francisco, Seattle, and Vancouver use PDT (UTC-7) instead, so the gap from UTC becomes 7 hours until standard time resumes.
When does Pacific Time switch between PST and daylight saving time?
In the United States and most Canadian areas using Pacific Time, clocks move forward on the second Sunday in March and move back on the first Sunday in November. In 2025, that means the shift to daylight time happens on March 9, 2025, and the return to PST happens on November 2, 2025. If you are booking meetings around those dates, checking the exact day in the converter is important because the UTC difference changes by one hour.
How do I convert PST to UTC quickly?
Add 8 hours to a PST time to get UTC during standard time. For example, 7:15 AM PST becomes 3:15 PM UTC, and 9:45 PM PST becomes 5:45 AM UTC the following day. If the date falls in the daylight-saving season for Pacific Time, use 7 hours instead because the zone is then PDT, not PST.
Why do airlines, servers, and global teams use UTC instead of PST?
UTC stays constant all year and does not shift for daylight saving time, which makes it safer for systems that need unambiguous timestamps. Airlines, weather services, satellite networks, cybersecurity operations centers, and cloud platforms often store or publish times in UTC so logs, flight plans, and alerts match globally without regional confusion. PST is useful for local scheduling on the U.S. West Coast, but UTC is better for cross-border coordination.
What time in UTC is 9 AM PST?
9:00 AM PST is 5:00 PM UTC. This is a common conversion for West Coast business calls, because a California morning sync often lands in the late afternoon for teams working on UTC-based schedules in Europe, logistics, or infrastructure operations. If the Pacific region is on daylight saving time instead, 9:00 AM PDT would be 4:00 PM UTC.
Is UTC the same as GMT when comparing with PST?
For everyday scheduling, UTC and GMT are usually treated the same, so PST vs UTC and PST vs GMT often produce the same practical meeting conversion. The technical difference is that UTC is the modern international time standard, while GMT is a time zone label historically tied to mean solar time at Greenwich. For business calls, travel planning, and calendar scheduling, the difference is typically not meaningful.
What is the best meeting time between PST and UTC?
A common overlap is 8:00 AM to 10:00 AM PST, which converts to 4:00 PM to 6:00 PM UTC during standard time. That window often works for U.S. West Coast teams and UTC-based staff in Europe or global operations centers, especially in software support, DevOps, consulting, and digital agencies. Later Pacific meetings can push too far into the evening for UTC participants, while very early UTC meetings may fall before business hours in California.