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GMT to PST Time Converter

Use this GMT to PST time converter to compare United Kingdom and US West Coast time instantly. PST is 8 hours behind GMT, so 9:00 AM GMT becomes 1:00 AM PST and 5:00 PM GMT becomes 9:00 AM PST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

GMT Greenwich Mean Time
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PST Pacific Standard Time
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Select a time to convert

GMT to PST Quick Facts

Use this GMT to PST converter to compare United Kingdom and US West Coast time, check the 8 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 5:00 PM GMT / 9:00 AM PST.

Time Difference
Pacific Standard Time is 8 hours behind Greenwich Mean Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 5:00 PM GMT and 9:00 AM PST.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert GMT to PST

Converting between Greenwich Mean Time and Pacific Standard Time means accounting for a 8 hours gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your GMT Time

Pick the date and time in Greenwich Mean Time (UTC +0) that you want to convert. Hit "Now" to load the current GMT time instantly, or use "+1h" to step forward and compare.

Read the PST Result

The equivalent Pacific Standard Time (UTC -8) time appears immediately. Since PST is 8 hours behind of GMT, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the PST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring Universal–United States calls.

Why Choose Our GMT to PST Converter

Align GMT–PST Meetings Instantly

When someone in Universal suggests 5:00 PM GMT, that's 9:00 AM PST. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night GMT times can land on a different date in PST because of the 8 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the GMT–PST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a GMT-Timed Event

Product launches, sports matches, and webinars are often announced in GMT. Convert the event time to PST so you know exactly when to tune in — with a 8 hours difference, a morning event in Universal hits the evening in United States.

GMT to PST Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Greenwich Mean Time to Pacific Standard Time full day schedule

12:00 AM
GMT
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4:00 PM
PST
(previous day)
1:00 AM
GMT
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5:00 PM
PST
(previous day)
2:00 AM
GMT
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6:00 PM
PST
(previous day)
3:00 AM
GMT
→
7:00 PM
PST
(previous day)
4:00 AM
GMT
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8:00 PM
PST
(previous day)
5:00 AM
GMT
→
9:00 PM
PST
(previous day)
6:00 AM
GMT
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10:00 PM
PST
(previous day)
7:00 AM
GMT
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11:00 PM
PST
(previous day)
8:00 AM
GMT
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12:00 AM
PST
9:00 AM
GMT
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1:00 AM
PST
10:00 AM
GMT
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2:00 AM
PST
11:00 AM
GMT
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3:00 AM
PST
12:00 PM
GMT
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4:00 AM
PST
1:00 PM
GMT
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5:00 AM
PST
2:00 PM
GMT
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6:00 AM
PST
3:00 PM
GMT
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7:00 AM
PST
4:00 PM
GMT
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8:00 AM
PST
5:00 PM
GMT
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9:00 AM
PST
6:00 PM
GMT
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10:00 AM
PST
7:00 PM
GMT
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11:00 AM
PST
8:00 PM
GMT
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12:00 PM
PST
9:00 PM
GMT
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1:00 PM
PST
10:00 PM
GMT
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2:00 PM
PST
11:00 PM
GMT
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3:00 PM
PST
The two zones in context

GMT vs PST — cities and working rhythm

GMT — Greenwich Mean Time
Primary cities: London, Dublin, Lisbon, Accra, Reykjavík

UK / Ireland / Iceland / Portugal / West Africa. Business hours 9 AM – 5:30 PM GMT typically. Note: London is on GMT in winter, BST (GMT+1) in summer — but "GMT" gets used loosely all year in scheduling contexts. Financial-services London anchors the European trading day.

PST — Pacific Standard Time
Primary cities: Los Angeles, San Francisco, Seattle, Vancouver, San Diego

US West Coast — home of Silicon Valley, LA entertainment, and the SaaS / VC ecosystem. Business hours 9 AM – 6 PM PT. Startup / tech culture stretches later than East Coast: it's common for calendar invites from West Coast product teams to run through 8 PM PT.

Time gap: PST is 8.0 hours behind GMT (standard-time offsets — daylight-saving flips shift this by an hour twice a year in most northern-hemisphere zones).

GMT to PST FAQ

Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Greenwich Mean Time and Pacific Standard Time.

What is the time difference between GMT and PST?

PST is 8 hours behind GMT. GMT is UTC +0:00 and PST is UTC −8:00 relative to UTC. PST observes daylight saving but GMT does not, so the gap shifts by an hour twice a year. In PST winter the difference is 8 hours; in summer it changes by one hour.

When can GMT and PST have business-hour overlap?

Aim for 17:00–17:00 GMT, which is 09:00–09:00 PST. Both sides stay inside standard business hours.

Does GMT or PST observe daylight saving time?

PST observes daylight saving but GMT does not, so the gap shifts by an hour twice a year. In PST winter the difference is 8 hours; in summer it changes by one hour.

How do I quickly convert GMT to PST?

To convert GMT to PST, add 8 hours subtract from the GMT time. Example: if it's 10:00 AM GMT, it's 02:00 PST that day. The live converter at the top of this page handles DST automatically.

Popular GMT Time Converters

Explore more GMT conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.

Convert Other Time Zones to PST

Find the time difference from any major zone into Pacific Standard Time. Use these pages when scheduling with United States from a different region.

🇺🇸 Swap direction — PST to GMT Converter