Longueuil
Sunrise and sunset in Longueuil
Today’s sunrise, sunset and twilight in Longueuil, in local time. At 45.5° N, the day lasts from 8 h 42 min at the winter solstice to 15 h 41 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:18, sunset at 17:57.
Day length 10 h 40 min, 3 min 2 s shorter than yesterday.
Solar noon at 12:38, with the Sun 34° above the horizon.
Times are Longueuil time (EDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:39 | 19:36 |
| Nautical twilight | 06:13 | 19:02 |
| Civil twilight | 06:48 | 18:28 |
| Sunrise and sunset | 07:18 | 17:57 |
| Golden hour | 07:18–07:59 | 17:16–17:57 |
Each twilight begins at the morning time and ends at the evening one.
The year in Longueuil
- Longest day: June 21, 15 h 41 min, from sunrise at 05:05 to sunset at 20:46.
- Shortest day: December 21, 8 h 42 min, from sunrise at 07:30 to sunset at 16:13.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:25 | 16:44 | 9 h 19 min |
| February 21 | 06:45 | 17:29 | 10 h 44 min |
| March 21 | 06:54 | 19:07 | 12 h 13 min |
| April 21 | 05:57 | 19:48 | 13 h 50 min |
| May 21 | 05:16 | 20:24 | 15 h 08 min |
| June 21 | 05:05 | 20:46 | 15 h 41 min |
| July 21 | 05:25 | 20:34 | 15 h 09 min |
| August 21 | 06:01 | 19:51 | 13 h 49 min |
| September 21 | 06:39 | 18:53 | 12 h 13 min |
| October 21 | 07:18 | 17:57 | 10 h 40 min |
| November 21 | 07:01 | 16:17 | 9 h 17 min |
| December 21 | 07:30 | 16:13 | 8 h 42 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 45.5° N, 73.5° 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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