Peterborough, Ontario
Sunrise and sunset in Peterborough, Ontario
Today’s sunrise, sunset and twilight in Peterborough, Ontario, in local time. At 44.3° N, the day lasts from 8 h 51 min at the winter solstice to 15 h 32 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:35, sunset at 18:19.
Day length 10 h 43 min, 2 min 54 s shorter than yesterday.
Solar noon at 12:57, with the Sun 35° above the horizon.
Times are Peterborough, Ontario time (EDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:59 | 19:55 |
| Nautical twilight | 06:32 | 19:22 |
| Civil twilight | 07:06 | 18:48 |
| Sunrise and sunset | 07:35 | 18:19 |
| Golden hour | 07:35–08:16 | 17:38–18:19 |
Each twilight begins at the morning time and ends at the evening one.
The year in Peterborough, Ontario
- Longest day: June 21, 15 h 32 min, from sunrise at 05:29 to sunset at 21:00.
- Shortest day: December 21, 8 h 51 min, from sunrise at 07:45 to sunset at 16:36.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:41 | 17:07 | 9 h 26 min |
| February 21 | 07:03 | 17:50 | 10 h 47 min |
| March 21 | 07:14 | 19:27 | 12 h 13 min |
| April 21 | 06:19 | 20:05 | 13 h 46 min |
| May 21 | 05:40 | 20:40 | 15 h 00 min |
| June 21 | 05:29 | 21:00 | 15 h 32 min |
| July 21 | 05:49 | 20:49 | 15 h 01 min |
| August 21 | 06:23 | 20:08 | 13 h 45 min |
| September 21 | 06:59 | 19:12 | 12 h 13 min |
| October 21 | 07:35 | 18:19 | 10 h 43 min |
| November 21 | 07:16 | 16:40 | 9 h 24 min |
| December 21 | 07:45 | 16:36 | 8 h 51 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 44.3° N, 78.3° 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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