New York time to London time
London is 5 hours ahead of New York all year (New York GMT-4/UTC−04:00 in summer; London BST/UTC+01:00). Enter a New York time below to convert it, or leave it blank to see the current time in both cities.
How to use the New York to London time
- Type a New York time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the London time and the working-hours table.
Time difference between New York and London
London is 5 hours ahead of New York all year. Both New York and London observe daylight saving time, but they change clocks on different dates, so for a few weeks each spring and autumn the difference shifts by an hour. New York uses America/New York time (UTC−05:00 in January, UTC−04:00 in July); London uses Europe/London (UTC+00:00 in January, UTC+01:00 in July).
Working week in New York and London
New York: Office hours 09:00–17:00, weekend Saturday–Sunday. Eastern Time: EDT (UTC−4) from the second Sunday of March to the first Sunday of November, otherwise EST (UTC−5).
London: Office hours 09:00–17:30, weekend Saturday–Sunday. Clocks go forward on the last Sunday of March (BST, UTC+1) and back on the last Sunday of October (GMT).
Quick conversion table (summer difference)
| New York | London |
|---|---|
| 08:00 | 13:00 |
| 09:00 | 14:00 |
| 10:00 | 15:00 |
| 12:00 | 17:00 |
| 14:00 | 19:00 |
| 16:00 | 21:00 |
| 18:00 | 23:00 |
| 20:00 | 01:00 (next day) |
| 22:00 | 03:00 (next day) |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between New York and London
Within normal office hours (09:00–18:00) in both cities: 9:00–12:00 New York time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See London to New York, or the general time zone converter.
Frequently asked questions
How many hours ahead is London from New York?
London is 5 hours ahead of New York all year.
When it is 12:00 noon in New York, what time is it in London?
17:00 in summer (); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.