PST to GMT Time Converter

Convert Pacific Standard Time to Greenwich Mean Time - Quick & Accurate

Los Angeles (PST)
London (GMT)
GMT is 8 hours ahead of PST

Quick Time Conversion

Los Angeles
Pacific Standard Time
UTC-8 (PST) / UTC-7 (PDT)
London
Greenwich Mean Time
UTC+0 (GMT) / UTC+1 (BST)

Current Time Right Now

Pacific (PST/PDT)
Greenwich (GMT/BST)

Updates live every second

24-Hour Visual Comparison

PST (LA)
12am PST
1am PST
2am PST
3am PST
4am PST
5am PST
6am PST
7am PST
8am PST
9am PST
10am PST
11am PST
12pm PST
1pm PST
2pm PST
3pm PST
4pm PST
5pm PST
6pm PST
7pm PST
8pm PST
9pm PST
10pm PST
11pm PST
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GMT (London)
8am GMT
9am GMT
10am GMT
11am GMT
12pm GMT
1pm GMT
2pm GMT
3pm GMT
4pm GMT
5pm GMT
6pm GMT
7pm GMT
8pm GMT
9pm GMT
10pm GMT
11pm GMT
12am GMT
1am GMT
2am GMT
3am GMT
4am GMT
5am GMT
6am GMT
7am GMT
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Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between PST and GMT:

Best Window (PST)
9:00 AM - 12:00 PM
Which is (GMT)
5:00 PM - 8:00 PM
PST in business hours
GMT in early evening hours
Ideal for US-UK collaboration

Pro Tip: Schedule calls between 9:00 AM - 11:00 AM PST for maximum availability with UK colleagues

Complete PST to GMT Conversion Table

PST TimeGMT TimeContext
12:00 AM08:00 AM
Midnight West Coast
01:00 AM09:00 AM
Late Night PST
02:00 AM10:00 AM
Late Night PST
03:00 AM11:00 AM
Late Night PST
04:00 AM12:00 PM
Late Night PST
05:00 AM01:00 PM
Late Night PST
06:00 AM02:00 PM
Early Morning PST
07:00 AM03:00 PM
Night Time
08:00 AM04:00 PM
Work Starts PST
09:00 AM05:00 PM
Morning Meeting Window
10:00 AM06:00 PM
Morning Meeting Window
11:00 AM07:00 PM
Morning Meeting Window

Pacific Standard Time (PST)

UTC-8
UTC-7 during PDT
Major Cities:
  • • Los Angeles
  • • San Francisco
  • • Seattle
  • • San Diego
  • • Portland
Daylight Saving:

PDT (UTC-7) from March to November

IANA Identifier:

America/Los_Angeles

Greenwich Mean Time (GMT)

UTC+0
UTC+1 during BST
Major Cities:
  • • London
  • • Manchester
  • • Birmingham
  • • Liverpool
  • • Edinburgh
Daylight Saving:

BST (UTC+1) from March to October

IANA Identifier:

Europe/London

Pacific Standard Time (PST) vs Greenwich Mean Time (GMT)

Pacific Standard Time (PST)Greenwich Mean Time (GMT)

Pacific Standard Time (PST) is 8 hours behind Coordinated Universal Time (UTC-8). During daylight saving time, the region observes Pacific Daylight Time (PDT), which is UTC-7.

Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is equivalent to UTC+0. During daylight saving time, the region observes British Summer Time (BST), which is UTC+1.

Where Is It Used?

United States

  • California: Los Angeles, San Francisco, San Diego, San Jose, Sacramento
  • Washington: Seattle, Spokane, Tacoma, Vancouver
  • Oregon: Portland, Eugene, Salem
  • Nevada: Most of the state (except West Wendover)

United Kingdom

  • England: London, Manchester, Birmingham, Liverpool, Leeds
  • Scotland: Edinburgh, Glasgow, Aberdeen
  • Wales: Cardiff, Swansea, Newport
  • Northern Ireland: Belfast, Derry, Lisburn

Other Regions

Canada

  • British Columbia: Vancouver, Victoria, Surrey, Burnaby
  • Yukon: Whitehorse (observes PST year-round, no DST)

Mexico

  • Baja California: Tijuana, Mexicali, Ensenada

Africa

  • Ghana: Accra, Kumasi
  • Senegal: Dakar
  • Burkina Faso: Ouagadougou
  • Ivory Coast: Abidjan

Atlantic

  • Iceland: Reykjavik (year-round GMT, no DST)
  • Canary Islands: (Spain)
  • Faroe Islands: (Denmark)

Key Facts

  • UTC Offset: UTC-8 (PST) / UTC-7 (PDT)
  • Region: Westernmost region of North America
  • Known For: Major tech hubs (Silicon Valley, Seattle)
  • Largest Cities: Los Angeles (4M), San Diego (1.4M), San Jose (1M)
  • Daylight Saving: Begins 2nd Sunday in March, ends 1st Sunday in November
  • UTC Offset: UTC+0 (GMT) / UTC+1 (BST)
  • Region: Prime Meridian reference point (0° longitude)
  • Known For: Global time standard, financial center (London)
  • Largest Cities: London (9M), Birmingham (1.1M), Manchester (550K)
  • Daylight Saving: BST from last Sunday in March to last Sunday in October

Quick Reference

Time Difference: GMT is 8 hours ahead of PST (typically)
DST Variance: The difference can be 7 hours during brief periods when DST transitions don't align
Distance: Approximately 5,400 miles (8,700 km) between Los Angeles and London
UTC Offsets: PST = UTC-8, GMT = UTC+0 | PDT = UTC-7, BST = UTC+1 (during DST)
2025 DST: US starts March 9, ends November 2 | UK starts March 30, ends October 26

Frequently Asked Questions

PST (Pacific Standard Time) is 8 hours behind GMT (Greenwich Mean Time). This means when it's 12:00 PM in Los Angeles (PST), it's 8:00 PM in London (GMT).

The best time to call from PST to GMT is between 9:00 AM and 12:00 PM PST, which corresponds to 5:00 PM to 8:00 PM GMT. This ensures PST is in business hours while GMT catches the evening hours.

Yes, the time difference can vary slightly because PST and GMT observe Daylight Saving Time at different dates. During most of the year, the difference is 8 hours, but it can be 7 hours when only one region is observing DST.

PST cities include Los Angeles, San Francisco, Seattle, San Diego, and Portland. GMT cities include London, Manchester, Birmingham, Liverpool, and Edinburgh.

In the US (PST), DST starts on March 9 at 2:00 AM and ends on November 2 at 2:00 AM. In the UK (GMT), BST starts on March 30 at 1:00 AM and ends on October 26 at 2:00 AM in 2025.

Related Time Converters

GMT → PSTPST → UTCGMT → UTCPST → ESTGMT → ESTPST → ISTGMT → JSTView All