London is on standard time, UTC+0 (GMT). On Sunday, March 28, 2027, clocks go forward 1 hour to UTC+1.
London and your time
London at a glance
| Country | United Kingdom |
|---|---|
| Region | England |
| Capital of | the United Kingdom |
| Time zone | Europe/London |
| Abbreviation now | GMT |
| UTC offset now | UTC+0 |
| Daylight saving time | Starts Mar 28, 2027 |
| Next clock change | Sunday, March 28, 2027 |
| Coordinates | 51.51° N, 0.13° W |
Which time zone London uses
Under the Europe/London rules, London spends part of each year on UTC+0 (GMT) and the rest on UTC+1 (BST). The coming daylight saving period ends on Sunday, October 31, 2027.
London is the capital, and all of the United Kingdom keeps this time.
Clock changes in London, 2026 and 2027
| Date | Change | New offset |
|---|---|---|
| Sunday, March 29, 2026 | Clocks go forward 1 hour: 1:00 AM becomes 2:00 AM | UTC+1 |
| Sunday, October 25, 2026 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC+0 |
| Sunday, March 28, 2027 | Clocks go forward 1 hour: 1:00 AM becomes 2:00 AM | UTC+1 |
| Sunday, October 31, 2027 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC+0 |
How far ahead or behind London is
Take 9:00 AM in London: the clock reads 4:00 AM in New York, 8:00 PM in Sydney and 1:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 5 h behind | 5 h behind | 5 h behind | 3 h |
| Los Angeles (United States) | --:-- | 8 h behind | 8 h behind | 8 h behind | None |
| Paris (France) | --:-- | 1 h ahead | 1 h ahead | 1 h ahead | 7 h |
| Dubai (United Arab Emirates) | --:-- | 4 h ahead | 4 h ahead | 3 h ahead | 4 h |
| Mumbai (India) | --:-- | 5 h 30 min ahead | 5 h 30 min ahead | 4 h 30 min ahead | 2 h 30 min |
| Singapore | --:-- | 8 h ahead | 8 h ahead | 7 h ahead | None |
| Tokyo (Japan) | --:-- | 9 h ahead | 9 h ahead | 8 h ahead | None |
| Sydney (Australia) | --:-- | 11 h ahead | 11 h ahead | 9 h ahead | None |
| UTC | --:-- | Same time | Same time | 1 h behind | 8 h |
The difference is not fixed for every city: where the January and July columns disagree, one side moves its clocks and the other does not, or both move on different dates.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Daylight in London
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Day length in London runs from 7 hours 50 minutes at the December solstice to 16 hours 39 minutes at the June solstice. The latest sunset, at 9:22 PM, comes on June 25.
Daylight through the year in London
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:03 AM | 6:14 PM | 12 h 10 min |
| June solstice | June 21 | 4:43 AM | 9:22 PM | 16 h 39 min |
| September equinox | September 23 | 6:48 AM | 6:57 PM | 12 h 9 min |
| December solstice | December 21 | 8:04 AM | 3:53 PM | 7 h 50 min |
Sunrise and sunset jump by 1 hour on the days the clocks change, even though the daylight itself changes only by a minute or two.
When the sun is highest in London
London lies close to the centre of its time zone, so the sun is highest at about 12:00 PM on standard time and 1:00 PM during daylight saving time, close to clock noon.
Cities near London
Every city below shares London’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Slough | 33 km (20 mi) | --:-- | Same time |
| Woking | 37 km (23 mi) | --:-- | Same time |
| Basildon | 41 km (25 mi) | --:-- | Same time |
| Crawley | 44 km (27 mi) | --:-- | Same time |
| High Wycombe | 45 km (28 mi) | --:-- | Same time |
| Luton | 46 km (29 mi) | --:-- | Same time |
| Chelmsford | 48 km (30 mi) | --:-- | Same time |
| Gillingham | 49 km (30 mi) | --:-- | Same time |
Same time now, different rules
These places read the same time as London today but follow different rules, so they can drift apart when clocks change.
- Abidjan (Côte d’Ivoire)
- Bamako (Mali)
- Casablanca (Morocco)
- Dakar (Senegal)
- Kumasi (Ghana)
- Ouagadougou (Burkina Faso)
More cities in United Kingdom
All time zones and cities in the United Kingdom
Tools for time in London
- Convert a time to or from London: pick a date and time and see it in every city on your list.
- Add London to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in London and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is London in?
London uses the Europe/London time zone: UTC+0 (GMT) in standard time and UTC+1 (BST) during daylight saving time.
When do the clocks change in London?
The next change is on Sunday, March 28, 2027 at 1:00 AM, when clocks go forward 1 hour to UTC+1. They go back again on Sunday, October 31, 2027.
What is the time difference between London and New York?
London is 5 hours ahead of New York for most of the year. From March 14 to March 28 and October 31 to November 7, the gap is 4 hours, because London and New York change their clocks on different dates.
How long is the longest day in London?
About 16 hours 39 minutes, around the June solstice. The shortest day, around the December solstice, has about 7 hours 50 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.