Ireland to London

London is on the same time as Ireland.

Ireland

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London

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When to ring

Ring between 08:00 and 21:00 Irish time. That is 08:00 to 21:00 in London.

In Ireland	In London	Worth ringing?
07:00	07:00	Early or late
08:00	08:00	Yes
09:00	09:00	Yes
10:00	10:00	Yes
11:00	11:00	Yes
12:00	12:00	Yes
13:00	13:00	Yes
14:00	14:00	Yes
15:00	15:00	Yes
16:00	16:00	Yes
17:00	17:00	Yes
18:00	18:00	Yes
19:00	19:00	Yes
20:00	20:00	Yes
21:00	21:00	Yes
22:00	22:00	Early or late

Based on the current 0 hours difference. It changes on the dates below.

Questions

Is London the same time as Ireland?

London is on the same time as Ireland.

What time is it in London when it's 9am in Ireland?

When it is 09:00 in Ireland it is 09:00 in London.

When is the best time to ring London from Ireland?

Between 08:00 and 21:00 Irish time, which is 08:00 to 21:00 in London. Outside that window you are ringing someone who is asleep or about to be.

Does London change its clocks like Ireland does?

Yes, and on the same date: both change on Sunday 25 October 2026, at the same instant. Ireland and London keep the same summer-time period, so this difference never drifts the way the gap with Australia or America does for a few weeks each year.

Moving to Ireland from London?

The Common Travel Area means you can move with no visa and start work the day you arrive. Brexit did change the rules on cars, pets and ISAs, and the guide covers both halves.

Moving to Ireland from the UK

We run settle.ie too.

Ireland to somewhere else

The same comparison for every other place we work out call times for, ordered from the smallest gap to the largest.

Time in London · All cities · The live world map