What is the time difference between London and Dublin?

Dublin is 0 minutes 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 Dublin from London?

Between 09:00–18:00 in London, which is 09:00–18:00 in Dublin. 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 Dublin observe daylight saving time?

Yes. Dublin 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 London, what time is it in Dublin?

It is 12:00 in Dublin, 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 Dublin use?

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

Convert London time to Dublin time

Right now Dublin runs 0 minutes 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

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

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

Daylight saving time

London and Dublin 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

Dublin

Observes daylight saving time

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

When you can actually talk

The window is 9 hours wide — 09:00–18:00 in London, 09:00–18:00 in Dublin.

London 09:00–18:00Dublin 09:00–18:00

Reference

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

	London	Dublin
IANA zone	Europe/London	Europe/Dublin
Abbreviation	BST	IST
Standard offset	UTC+0	UTC+0
Daylight offset	UTC+1	UTC+1
Clock changes this year	2	2
Country	United Kingdom	Ireland

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

Common questions

What is the time difference between London and Dublin?: Dublin is 0 minutes 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 Dublin from London?: Between 09:00–18:00 in London, which is 09:00–18:00 in Dublin. 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 Dublin observe daylight saving time?: Yes. Dublin 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 London, what time is it in Dublin?: It is 12:00 in Dublin, 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 Dublin use?: London uses Europe/London, currently UTC+1 (BST), and Dublin uses Europe/Dublin, currently UTC+1 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.