Paris time to London time
London is 1 hour behind Paris all year (Paris CEST/UTC+02:00 in summer; London BST/UTC+01:00). Enter a Paris time below to convert it, or leave it blank to see the current time in both cities.
How to use the Paris to London time
- Type a Paris 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 Paris and London
London is 1 hour behind Paris all year. Both Paris 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. Paris uses Europe/Paris time (UTC+01:00 in January, UTC+02:00 in July); London uses Europe/London (UTC+00:00 in January, UTC+01:00 in July).
Working week in Paris and London
Paris: Central European Time: CEST (UTC+2) from the last Sunday of March to the last Sunday of October, otherwise CET (UTC+1). Lunch breaks of an hour or more are common; weekend Saturday–Sunday.
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)
| Paris | London |
|---|---|
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 12:00 | 11:00 |
| 14:00 | 13:00 |
| 16:00 | 15:00 |
| 18:00 | 17:00 |
| 20:00 | 19:00 |
| 22:00 | 21:00 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Paris and London
Within normal office hours (09:00–18:00) in both cities: 10:00–17:00 Paris 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 Paris, or the general time zone converter.
Frequently asked questions
How many hours ahead is London from Paris?
London is 1 hour behind Paris all year.
When it is 12:00 noon in Paris, what time is it in London?
11:00 in summer (the same or previous day); 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.