Daylight & clock · Europe/London
Daylight and clock changes in London
In short
In London the longest day of the next 12 months has 16 hours 38 minutes of daylight (21 June 2027) and the shortest 7 hours 50 minutes (21 December 2026).
On 15 November 2026 the sun rises at 07:18 and sets at 16:11 local time (GMT).
Clocks change on 28 March 2027 and 31 October 2027.
Computed with the NOAA solar equations and IANA tzdb 2026e.
Data updated
Longest day
16 h 38 min
21 Jun
Shortest day
7 h 50 min
21 Dec
Earliest sunrise
04:43
12 Jun
Latest sunset
21:22
22 Jun
Daylight through the year
Sunrise, sunset and day length by month
On the 15th of each month, in local clock time (GMT UTC+00:00 / BST UTC+01:00).
| Month | First light | Sunrise | Solar noon | Sunset | Last light | Daylight |
|---|---|---|---|---|---|---|
| November 2026GMT | 06:41 | 07:18 | 11:45 | 16:11 | 16:48 | 8 h 53 min |
| December 2026GMT | 07:19 | 08:00 | 11:56 | 15:52 | 16:32 | 7 h 52 min |
| January 2027GMT | 07:21 | 08:00 | 12:10 | 16:20 | 16:59 | 8 h 21 min |
| February 2027GMT | 06:40 | 07:15 | 12:15 | 17:15 | 17:50 | 10 h 00 min |
| March 2027GMT | 05:42 | 06:15 | 12:09 | 18:05 | 18:38 | 11 h 49 min |
| April 2027BST | 05:30 | 06:05 | 13:01 | 19:57 | 20:32 | 13 h 51 min |
| May 2027BST | 04:28 | 05:09 | 12:57 | 20:46 | 21:27 | 15 h 36 min |
| June 2027BST | 03:55 | 04:43 | 13:01 | 21:19 | 22:07 | 16 h 37 min |
| July 2027BST | 04:16 | 05:01 | 13:06 | 21:12 | 21:56 | 16 h 11 min |
| August 2027BST | 05:08 | 05:45 | 13:05 | 20:23 | 21:01 | 14 h 38 min |
| September 2027BST | 06:01 | 06:35 | 12:56 | 19:16 | 19:49 | 12 h 41 min |
| October 2027BST | 06:50 | 07:24 | 12:46 | 18:08 | 18:41 | 10 h 44 min |
First and last light are civil twilight (sun 6° below the horizon), when outdoor activities are possible without lights.
Golden hour and blue hour by month
The soft light photographers and sightseers plan around, on the 15th of each month in local clock time.
| Month | Golden hourmorning / evening | Blue hourmorning / evening |
|---|---|---|
| November | Morning 06:55–08:12Evening 15:18–16:34 | Morning 06:41–06:55Evening 16:34–16:48 |
| December | Morning 07:35–09:01Evening 14:50–16:17 | Morning 07:19–07:35Evening 16:17–16:32 |
| January | Morning 07:36–08:57Evening 15:23–16:44 | Morning 07:21–07:36Evening 16:44–16:59 |
| February | Morning 06:54–08:03Evening 16:27–17:36 | Morning 06:40–06:54Evening 17:36–17:50 |
| March | Morning 05:55–06:59Evening 17:20–18:25 | Morning 05:42–05:55Evening 18:25–18:38 |
| April | Morning 05:44–06:50Evening 19:12–20:18 | Morning 05:30–05:44Evening 20:18–20:32 |
| May | Morning 04:44–05:59Evening 19:56–21:10 | Morning 04:28–04:44Evening 21:10–21:27 |
| June | Morning 04:15–05:37Evening 20:25–21:47 | Morning 03:55–04:15Evening 21:47–22:07 |
| July | Morning 04:34–05:53Evening 20:20–21:38 | Morning 04:16–04:34Evening 21:38–21:56 |
| August | Morning 05:23–06:32Evening 19:37–20:46 | Morning 05:08–05:23Evening 20:46–21:01 |
| September | Morning 06:14–07:19Evening 18:32–19:36 | Morning 06:01–06:14Evening 19:36–19:49 |
| October | Morning 07:03–08:10Evening 17:22–18:29 | Morning 06:50–07:03Evening 18:29–18:41 |
Golden hour: the sun between 6° above and 4° below the horizon; blue hour: between 4° and 6° below. Definitions vary between sources by a few minutes; clouds and terrain are not modelled.
Clock changes
London
Europe/London
Sun, 28 March 2027
At 01:00 clocks go forward 1 hour to 02:00 (BST, UTC+01:00)
Sun, 31 October 2027
At 02:00 clocks go back 1 hour to 01:00 (GMT, UTC+00:00)
Same clock as London
- Lisbon, Portugal
- Dublin, Ireland
- Las Palmas, Spain
- Birmingham, United Kingdom
- Manchester, United Kingdom
- Leeds, United Kingdom
- Porto, Portugal
- Sheffield, United Kingdom
What the data shows
Day length in London ranges from 7 hours 50 minutes on 21 December 2026 to 16 hours 38 minutes on 21 June 2027 — a swing of 8 hours 49 minutes.
How we calculated this: Longest and shortest sunrise-to-sunset span over every day of the period.
Clocks in London run 1 hour 7 minutes ahead of the sun at the extreme: on 16 July 2027 the sun is highest at 13:07, so mornings stay dark later and evenings light longer than the clock suggests.
How we calculated this: Largest gap between 12:00 local clock time and solar noon over the period.
The earliest sunrise is at 04:43 (12 June 2027) and the latest sunset at 21:22 (22 June 2027), local clock time.
How we calculated this: Earliest sunrise and latest sunset (local clock) over every day of the period.
Clocks go forward 1 hour at 01:00 on 28 March 2027 and go back 1 hour at 02:00 on 31 October 2027, shifting sunrise and sunset by the same amount overnight.
How we calculated this: UTC-offset changes of Europe/London in tzdb 2026e during the period.
Nearby places with the same clock and almost identical sun times: Southend-on-Sea, Brighton, Reading, Luton.
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