What is the time difference between London and Los Angeles?

Los Angeles is 8 hours behind London. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Los Angeles from London?

Between 17:00–18:00 in London, which is 09:00–10:00 in Los Angeles. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does London observe daylight saving time?

Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

Does Los Angeles observe daylight saving time?

Yes. Los Angeles runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

If it is midday in London, what time is it in Los Angeles?

It is 04:00 in Los Angeles, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do London and Los Angeles use?

London uses Europe/London, currently UTC+1 (BST), and Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert London time to Los Angeles time

Los Angeles is 8 hours behind London right now, so midday in London lands in the small hours in Los Angeles.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

Every hour of a day in London, and what the clock reads in Los Angeles at that same moment.

London	Los Angeles
00:00	16:00previous day
01:00	17:00previous day
02:00	18:00previous day
03:00	19:00previous day
04:00	20:00previous day
05:00	21:00previous day
06:00	22:00previous day
07:00	23:00previous day
08:00	00:00
09:00	01:00
10:00	02:00
11:00	03:00
12:00	04:00
13:00	05:00
14:00	06:00
15:00	07:00
16:00	08:00
17:00	09:00
18:00	10:00
19:00	11:00
20:00	12:00
21:00	13:00
22:00	14:00
23:00	15:00

Daylight saving time

London and Los Angeles both observe daylight saving. Where their change dates differ, so does the gap between them for the weeks in between.

London

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

Los Angeles

Observes daylight saving time

Standard: UTC-8
Daylight: UTC-7
Next change: 2026-11-01 −60m

When you can actually talk

The window is 1 hour wide — 17:00–18:00 in London, 09:00–10:00 in Los Angeles.

London 17:00–18:00Los Angeles 09:00–10:00

Reference

The zone identifiers and offsets behind everything above.

	London	Los Angeles
IANA zone	Europe/London	America/Los_Angeles
Abbreviation	BST	PDT
Standard offset	UTC+0	UTC-8
Daylight offset	UTC+1	UTC-7
Clock changes this year	2	2
Country	United Kingdom	United States

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between London and Los Angeles?: Los Angeles is 8 hours behind London. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Los Angeles from London?: Between 17:00–18:00 in London, which is 09:00–10:00 in Los Angeles. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does London observe daylight saving time?: Yes. London runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
Does Los Angeles observe daylight saving time?: Yes. Los Angeles runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
If it is midday in London, what time is it in Los Angeles?: It is 04:00 in Los Angeles, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do London and Los Angeles use?: London uses Europe/London, currently UTC+1 (BST), and Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.