Chalk Farm
Sunrise and sunset in Chalk Farm
Today’s sunrise, sunset and twilight in Chalk Farm, in local time. At 51.5° N, the day lasts from 7 h 49 min at the winter solstice to 16 h 39 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 07:36, sunset at 17:52.
Day length 10 h 16 min, 3 min 46 s shorter than yesterday.
Solar noon at 12:45, with the Sun 27° above the horizon.
Times are Chalk Farm time (GMT+1).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:44 | 19:44 |
| Nautical twilight | 06:23 | 19:05 |
| Civil twilight | 07:02 | 18:26 |
| Sunrise and sunset | 07:36 | 17:52 |
| Golden hour | 07:36–08:23 | 17:05–17:52 |
Each twilight begins at the morning time and ends at the evening one.
The year in Chalk Farm
- Longest day: June 21, 16 h 39 min, from sunrise at 04:42 to sunset at 21:21.
- Shortest day: December 21, 7 h 49 min, from sunrise at 08:04 to sunset at 15:53.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:53 | 16:30 | 8 h 37 min |
| February 21 | 07:02 | 17:26 | 10 h 24 min |
| March 21 | 06:01 | 18:15 | 12 h 14 min |
| April 21 | 05:52 | 20:07 | 14 h 15 min |
| May 21 | 05:00 | 20:54 | 15 h 54 min |
| June 21 | 04:42 | 21:21 | 16 h 39 min |
| July 21 | 05:08 | 21:04 | 15 h 57 min |
| August 21 | 05:55 | 20:10 | 14 h 16 min |
| September 21 | 06:44 | 19:01 | 12 h 16 min |
| October 21 | 07:34 | 17:54 | 10 h 20 min |
| November 21 | 07:28 | 16:03 | 8 h 35 min |
| December 21 | 08:04 | 15:53 | 7 h 49 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 51.5° N, 0.1° W, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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