London to Los Angeles
-7hLondon
GMTSOURCELos Angeles
PSTGreen rows indicate typical business hours (9 AM - 5 PM)
GMT and PST on the World Map
The map below highlights the GMT (Greenwich Mean Time) and PST (Pacific Standard Time) timezone regions across the globe.
GMT – Greenwich Mean Time
UTC+00:00Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. It is the same as UTC+00:00.
- •GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London.
- •The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
- •GMT and UTC are often used interchangeably, but UTC is based on atomic clocks.
- •Iceland uses GMT year-round and never observes daylight saving time.
- •The UK switches from GMT to BST (British Summer Time) in late March each year.
PST – Pacific Standard Time
UTC-08:00Pacific Standard Time (PST) is the time zone for the US and Canadian Pacific coast, 8 hours behind UTC.
- •Silicon Valley and the world's biggest tech companies operate on Pacific Time.
- •The Hollywood film industry runs on PST/PDT.
- •PST is 3 hours behind EST, creating a significant business hours gap.
- •Vancouver, Canada's third-largest city, uses PST.
About London
WikipediaLondon, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.
Greenwich Mean Time (GMT) is defined by the Prime Meridian at the Royal Observatory in Greenwich, London.
About Los Angeles
WikipediaLos Angeles operates on Pacific Time (PST/PDT), 3 hours behind New York. As the entertainment capital, LA time is important for media and tech industries.
Los Angeles is the entertainment capital of the world, home to Hollywood and major film studios.
Comparing Time Zones: London and Los Angeles
London, UK operates on the Greenwich Mean Time (UTC+00:00). Los Angeles, USA uses Pacific Standard Time (UTC-08:00).
The time difference between London and Los Angeles is 420 minutes (+7h). When it's noon in London, it's 05:00 AM in Los Angeles.
Why Convert London to Los Angeles Time?
Coordinating across the 7-hour time difference between London and Los Angeles doesn't have to be complicated. This converter provides a clear and accurate way to translate time from London to Los Angeles, making it easier to manage international relationships and business dealings.
Pro Tip: If you frequently communicate with people in Los Angeles from London, consider adding a dual-clock widget to your phone or computer to keep track of the 7-hour difference at a glance.
About GMT (Greenwich Mean Time)
Greenwich Mean Time (GMT) is the clock time at the Royal Observatory in Greenwich, London, which sits on the Prime Meridian (0° longitude). GMT serves as the reference point from which all other time zones are calculated. The United Kingdom uses GMT during winter months and switches to British Summer Time (BST, UTC+01:00) from late March to late October. Several West African nations use GMT year-round. GMT is often used interchangeably with UTC (Coordinated Universal Time), although technically they are different – UTC is based on atomic clocks while GMT is based on Earth's rotation.
About PST (Pacific Standard Time)
Pacific Standard Time (PST) covers the west coast of North America, including tech hubs like San Francisco and Seattle, and entertainment capital Los Angeles. The Pacific Time Zone is home to Silicon Valley and the world's largest technology companies. During summer, clocks advance to Pacific Daylight Time (PDT, UTC-07:00). PST is also observed in Baja California, Mexico.
Best Time to Call Between London and Los Angeles
If you want to reach someone in Los Angeles during standard business hours (9 AM – 5 PM PST), the best time to call from London would be:
- Los Angeles 9:00 AM = London 04:00 PM
- Los Angeles 12:00 PM = London 07:00 PM
- Los Angeles 5:00 PM = London 12:00 AM
Business Hours Overlap
London and Los Angeles have a partial business hours overlap. The best window for meetings and calls is when both locations are in their working hours.
Ultimately, understanding the -7h difference between London and Los Angeles empowers you to coordinate better. Whether for business or personal reasons, this tool ensures you're always on time.
🕐 Daylight Saving Time Info
London
❄ Currently in Standard Time
Standard: UTC+00:00 · DST: UTC+01:00
Clocks spring forward on Sun, Mar 29, 2026
Los Angeles
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
Clocks fall back on Sun, Nov 1, 2026
⚠ These locations are currently in different DST states, so the time difference may change when clocks adjust.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between London and Los Angeles?
Los Angeles is -7h from London.
What timezone is London in?
London, where Greenwich Mean Time (GMT) originates, is the world's leading financial center alongside New York. The city bridges European and American business hours.
What timezone is Los Angeles in?
Los Angeles operates on Pacific Time (PST/PDT), 3 hours behind New York. As the entertainment capital, LA time is important for media and tech industries.
What are the business hours in London?
Standard business hours in London are 9:00 AM - 5:00 PM GMT.
What are the business hours in Los Angeles?
Standard business hours in Los Angeles are 9:00 AM - 5:00 PM PST.
What is the best time to schedule a call between London and Los Angeles?
The best overlap for a call is when both cities are in business hours. London works 9:00 AM - 5:00 PM GMT and Los Angeles works 9:00 AM - 5:00 PM PST (-7h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in London and Los Angeles?
London uses GBP (£) while Los Angeles uses USD ($). Check current exchange rates when planning travel or business between these cities.
How do London and Los Angeles compare in size?
London has a population of approximately 8.8 million (metro: 14.8 million), while Los Angeles has approximately 4 million (metro: 13.2 million).
What are the major landmarks in London and Los Angeles?
London is known for Big Ben, Tower Bridge, Buckingham Palace. Los Angeles is famous for Hollywood Sign, Santa Monica Pier, Griffith Observatory.
Do London and Los Angeles have stock exchanges?
Yes. London has the LSE (London Stock Exchange) and Los Angeles has the N/A (Uses NYSE/NASDAQ). The -7h time difference affects trading hour overlaps between these exchanges.
Which countries use GMT (Greenwich Mean Time)?
GMT is used in United Kingdom, Ireland, Iceland, Portugal (mainland), Ghana, Senegal, and 9 more countries.
Does GMT observe daylight saving time?
Yes, GMT switches to BST during summer months.
What are some interesting facts about GMT?
GMT is based on the Prime Meridian (0° longitude) passing through Greenwich, London. The Royal Observatory in Greenwich has been the reference point for GMT since 1884.
Which cities are in the PST timezone?
Major cities in the PST timezone include Los Angeles, San Francisco, Seattle, Vancouver, San Diego, Portland, Las Vegas, Sacramento.
What is the UTC offset for PST?
Pacific Standard Time (PST) is at UTC-08:00. During daylight saving time, it shifts to PDT.
What should I know about the PST timezone?
Silicon Valley and the world's biggest tech companies operate on Pacific Time. The Hollywood film industry runs on PST/PDT.
When is it midnight in London, what time is it in Los Angeles?
When it is 12:00 AM (midnight) in London (GMT), it is -7h later in Los Angeles (PST).
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