PST to GMT Converter

PST to GMT Time Converter: Get the Right Time, Right Away

If you've ever had to juggle a meeting between San Francisco and London, you know the pain of doing timezone math in your head. This tool takes that off your plate. The PST to GMT Time Converter lets you plug in a date and time in either Pacific Standard Time or Greenwich Mean Time, and instantly see what that equals in the other zone.

Here’s what this time converter actually does

At its core, this calculator converts any time you enter between two zones: PST (Pacific Standard Time, used in places like Los Angeles and Seattle) and GMT (Greenwich Mean Time, used in the UK, Ireland, and Portugal). It handles both directions: from PST to GMT or from GMT to PST. It also knows whether daylight saving time is in effect and adjusts accordingly.

With a couple of checkboxes and buttons, you can tweak things like time format (12-hour vs 24-hour), turn daylight saving awareness on or off, show raw UTC offsets, and even flip the input/output sides entirely.

Why you might want to use this

If you work across time zones, even just occasionally, you know how easy it is to get confused or send a meeting invite at the wrong hour. This converter helps prevent scheduling mistakes, especially during daylight saving transitions. It's useful for professionals working with global teams, event planners, customer service agents, or anyone needing to coordinate across Pacific and GMT zones.

How to use it

Pick your time

Use the calendar and clock fields under "Pacific Standard Time" to pick a date and time. If you're working from a GMT reference point instead, switch to GMT in the dropdown just below the clock. That will automatically adjust the input and output zones accordingly.

Choose your conversion style

Under "Conversion Settings," you’ll find options to:

• Auto Convert: Instantly updates results when you change the input.
• Daylight Saving Aware: Makes sure your conversion accounts for whether it’s standard time or daylight time.
• Show UTC Offset: Displays precise UTC offsets like -08:00 or +00:00, instead of just -8 or 0.

See the results

Click “Convert Time” or tap the space bar on your keyboard. The output section shows:

• The converted time
• The converted date (important for night-to-day differences)
• UTC offsets for both zones
• Whether Daylight Saving is in effect
• Formatted summaries for both time zones

Helpful extras you might miss at first glance

• Live Time Display: The tool shows the current PST and GMT times at the bottom so you can stay synced to real-world clocks.
• Swap Button: Instantly switches which zone is the input and which is the output, flipping the interface accordingly.
• “Now” Button: Loads the current time for the selected input zone with one click.
• “Reset” Button: Clears all fields and puts everything back to default.
• Time Format Toggle: Switch between 12-hour and 24-hour views with the button in the lower section (or hit “F” on your keyboard).
• Keyboard Shortcuts: Save clicks by using keys: Space (convert), S (swap), N (now), R (reset), F (format).

Things to keep in mind

• Double-check the date: Because PST is behind GMT, a time in the evening may become next-day in GMT.
• Don’t forget daylight saving: Between March and November, Pacific time becomes PDT, which shifts the difference from GMT to just 7 hours.
• UTC offset visibility: If you need to know exact UTC offsets (like -07:00 vs -08:00), enable “Show UTC Offset.”
• Manual conversion available: If you turn off “Auto Convert,” you'll need to click the button yourself to see the result—useful if you want to tweak multiple inputs before running a new conversion.

Keep your scheduling sharp, wherever you are

This PST to GMT Time Converter helps take the guesswork out of global planning. Whether you’re scheduling a call, hosting a webinar, or just trying to catch someone before the end of their workday, this tool keeps you aligned across time zones without doing mental math. Set your time, toggle a few options, and you’re good to go—on time, every time.