British Time (London)
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United Kingdom uses one time zone, British Time (London). In January clocks read UTC+0; in July they read UTC+1. The difference is daylight saving time.
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Local times come from your browser's IANA time zone data.
| Zone | January | July | Daylight saving |
|---|---|---|---|
| British Time (London) | UTC+0 | UTC+1 | Yes |
City clocks in United Kingdom:
Clocks in United Kingdom change twice a year for daylight saving time. Each row gives the date, the reading the clock shows as it changes, and what it jumps to.
| Date | Change | Clocks | New offset |
|---|---|---|---|
| Sunday, March 29, 2026 | Forward one hour | 01:00 to 02:00 | UTC+1 |
| Sunday, October 25, 2026 | Back one hour | 02:00 to 01:00 | UTC+0 |
| Sunday, March 28, 2027 | Forward one hour | 01:00 to 02:00 | UTC+1 |
| Sunday, October 31, 2027 | Back one hour | 02:00 to 01:00 | UTC+0 |
Computed from the IANA time zone database, the same source your operating system uses. Dates in future years follow the rules in force today; daylight saving law is set by governments and does change, sometimes at a few months' notice.
Typical times at each zone's reference point, in that zone's local clock. Year-to-year drift is under a couple of minutes; dates near a daylight saving change can shift the clock reading by an hour.
| Time of year | Sunrise | Sunset | Day length |
|---|---|---|---|
| March equinox (about Mar 20) | 06:02 | 18:13 | 12ย h 10ย m |
| June solstice (about Jun 21) | 04:43 | 21:21 | 16ย h 38ย m |
| September equinox (about Sep 22) | 06:46 | 18:59 | 12ย h 13ย m |
| December solstice (about Dec 21) | 08:03 | 15:53 | 7ย h 50ย m |
Same time as United Kingdom in both January and July:
Aligned for part of the year only, because one side changes clocks for daylight saving:
United Kingdom uses a single civil time zone, British Time (London).
Yes. The clock moves between UTC+0 in January and UTC+1 in July. In 2026 the clocks go forward on Sunday, March 29 at 01:00, and back on Sunday, October 25 at 02:00.
In January: UTC+0. In July: UTC+1. The live cards above show the difference from your own clock right now.
Zone list verified 2026-07. Live times and sun calculations run in your browser from its built-in IANA time zone data and standard NOAA solar equations.