London
Los Angeles
Convert GMT to PST
Greenwich Mean Time to Pacific Standard Time — Los Angeles is 8 hours behind London
Quick Facts
Time Difference
-8 hours
GMT Full Name
Greenwich Mean Time
PST Full Name
Pacific Standard Time
GMT to PST Conversion Table
Related Conversions
About GMT and PST Time Zones
GMT (Greenwich Mean Time) is UTC+0 and covers cities like London, Dublin, Lisbon. PST (Pacific Standard Time) is UTC-8 and covers cities like Los Angeles, San Francisco, Seattle.
When it's 12:00 PM (noon) in London (GMT), it's 4:00 AM in Los Angeles (PST). The time difference between GMT and PST is 8 hours — Los Angeles is behind London.
The 8-hour difference makes real-time overlap challenging — early morning calls (7–9 AM GMT) work best.
Daylight Saving Time
PST observes Daylight Saving Time and becomes PDT (Pacific Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-7.
During DST transitions, the time difference between GMT and PST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare London and Los Angeles with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between GMT and PST?
Los Angeles (PST) is 8 hours behind London (GMT). The offset is -8 hours.
Is PST ahead or behind GMT?
PST is 8 hours behind GMT. GMT is UTC+1 and PST is UTC-7.
When it's 12:00 PM in London, what time is it in Los Angeles?
When it's 12:00 PM (noon) in London (GMT), it's 4:00 AM in Los Angeles (PST).
When it's 5:00 PM in London, what time is it in Los Angeles?
When it's 5:00 PM in London (GMT), it's 9:00 AM in Los Angeles (PST).
Does PST change for Daylight Saving Time?
Yes. PST (Pacific Standard Time, UTC-8) becomes PDT (Pacific Daylight Time, UTC-7) in summer, shifting clocks forward 1 hour.