Date Reference 29 Sept 2026

REFERENCE LIBRARY

London and New York: when the time difference changes

See why London and New York can be four or five hours apart. Choose a date, compare local times and open a configured time-zone comparison.

The clocks change on different Sundays

In 2026, the UK moves clocks forward on 29 March and back on 25 October. New York changes on 8 March and 1 November. London is usually five hours ahead; between the spring changes and between the autumn changes, the gap is four hours. Use the exact date and time on a changeover day.

Sources: GOV.UK clock-change dates and NIST daylight-saving rules, reviewed 29 September 2026.

A 09:00 London appointment

Worked examples for 2026
DateLondonNew York
2 Mar 202609:0004:00
16 Mar 202609:0005:00
30 Mar 202609:0004:00
26 Oct 202609:0005:00
2 Nov 202609:0004:00

Check your date

16 March 2026

09:00 in London is 05:00 in New York. New York is 4 hours behind.

Open this comparison

Check the local clock time too

When clocks advance, some local times do not exist; when they go back, some times occur twice. Open the comparison to choose your appointment time in the starting place. A repeated time offers a first or second occurrence, and a share link preserves the exact instant.

The examples are calculated with your browser’s time-zone data. The selector supports 2000–2100. Future rules can change; older browser data may differ from current official rules. World clocks below the comparison always show the present.

Guide reviewed: .

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