What is the time difference between London and Anchorage?

Anchorage is 9 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 Anchorage from London?

There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.

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 Anchorage observe daylight saving time?

Yes. Anchorage runs on UTC-9 in winter and UTC-8 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 Anchorage?

It is 03:00 in Anchorage, 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 Anchorage use?

London uses Europe/London, currently UTC+1 (BST), and Anchorage uses America/Anchorage, currently UTC-8 (AKDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert London time to Anchorage time

Right now Anchorage runs 9 hours behind London. That gap is not fixed: it moves when either city changes its clocks.

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 Anchorage at that same moment.

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

Daylight saving time

Both cities change their clocks, but not necessarily on the same date — which is why the difference between them shifts for a few weeks each year.

London

Observes daylight saving time

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

Anchorage

Observes daylight saving time

Standard: UTC-9
Daylight: UTC-8
Next change: 2026-11-01 −60m

When you can actually talk

There is no hour where both cities are inside a 09:00–18:00 working day. Someone has to move — the nearest workable windows are below.

London 01:00–03:00Anchorage 16:00–18:00
London 09:00–01:00Anchorage 00:00–16:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	London	Anchorage
IANA zone	Europe/London	America/Anchorage
Abbreviation	BST	AKDT
Standard offset	UTC+0	UTC-9
Daylight offset	UTC+1	UTC-8
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 Anchorage?: Anchorage is 9 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 Anchorage from London?: There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.
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 Anchorage observe daylight saving time?: Yes. Anchorage runs on UTC-9 in winter and UTC-8 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 Anchorage?: It is 03:00 in Anchorage, 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 Anchorage use?: London uses Europe/London, currently UTC+1 (BST), and Anchorage uses America/Anchorage, currently UTC-8 (AKDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.