Guelph
Sunrise and sunset in Guelph
Today’s sunrise, sunset and twilight in Guelph, in local time. At 43.5° N, the day lasts from 8 h 56 min at the winter solstice to 15 h 26 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 07:43, sunset at 18:26.
Day length 10 h 42 min, 2 min 49 s shorter than yesterday.
Solar noon at 13:05, with the Sun 35° above the horizon.
Times are Guelph time (EDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 06:08 | 20:01 |
| Nautical twilight | 06:41 | 19:28 |
| Civil twilight | 07:14 | 18:55 |
| Sunrise and sunset | 07:43 | 18:26 |
| Golden hour | 07:43–08:23 | 17:46–18:26 |
Each twilight begins at the morning time and ends at the evening one.
The year in Guelph
- Longest day: June 21, 15 h 26 min, from sunrise at 05:39 to sunset at 21:05.
- Shortest day: December 21, 8 h 56 min, from sunrise at 07:50 to sunset at 16:47.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:47 | 17:17 | 9 h 31 min |
| February 21 | 07:10 | 17:59 | 10 h 49 min |
| March 21 | 07:22 | 19:34 | 12 h 12 min |
| April 21 | 06:28 | 20:11 | 13 h 43 min |
| May 21 | 05:50 | 20:45 | 14 h 55 min |
| June 21 | 05:39 | 21:05 | 15 h 26 min |
| July 21 | 05:59 | 20:55 | 14 h 56 min |
| August 21 | 06:32 | 20:14 | 13 h 42 min |
| September 21 | 07:07 | 19:20 | 12 h 13 min |
| October 21 | 07:42 | 18:27 | 10 h 45 min |
| November 21 | 07:22 | 16:50 | 9 h 28 min |
| December 21 | 07:50 | 16:47 | 8 h 56 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 43.5° N, 80.3° 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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