What is the time difference between Los Angeles and London?

London is 8 hours ahead of Los Angeles. 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 London from Los Angeles?

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

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.

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.

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

It is 20:00 in London, 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 Los Angeles and London use?

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

Convert Los Angeles time to London time

Right now London runs 8 hours ahead of Los Angeles. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

Date

Time

Converted time

—

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

The whole day mapped across: read down the left for Los Angeles, across for London.

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

Daylight saving time

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

Los Angeles

Observes daylight saving time

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

London

Observes daylight saving time

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

When you can actually talk

You have 1 hour of shared working time: 09:00–10:00 in Los Angeles, which is 17:00–18:00 in London.

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

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

What is the time difference between Los Angeles and London?: London is 8 hours ahead of Los Angeles. 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 London from Los Angeles?: Between 09:00–10:00 in Los Angeles, which is 17:00–18:00 in London. That is the only stretch where both cities are inside a 09:00–18:00 day.
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.
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.
If it is midday in Los Angeles, what time is it in London?: It is 20:00 in London, 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 Los Angeles and London use?: Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT), and London uses Europe/London, currently UTC+1 (BST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.