Thunder Bay
Sunrise and sunset in Thunder Bay
Today’s sunrise, sunset and twilight in Thunder Bay, in local time. At 48.4° N, the day lasts from 8 h 19 min at the winter solstice to 16 h 06 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 08:25, sunset at 18:56.
Day length 10 h 30 min, 3 min 22 s shorter than yesterday.
Solar noon at 13:41, with the Sun 31° above the horizon.
Times are Thunder Bay time (EDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 06:41 | 20:40 |
| Nautical twilight | 07:17 | 20:04 |
| Civil twilight | 07:54 | 19:28 |
| Sunrise and sunset | 08:25 | 18:56 |
| Golden hour | 08:25–09:09 | 18:12–18:56 |
Each twilight begins at the morning time and ends at the evening one.
The year in Thunder Bay
- Longest day: June 21, 16 h 06 min, from sunrise at 05:55 to sunset at 22:02.
- Shortest day: December 21, 8 h 19 min, from sunrise at 08:45 to sunset at 17:04.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 08:38 | 17:38 | 9 h 01 min |
| February 21 | 07:53 | 18:28 | 10 h 35 min |
| March 21 | 07:57 | 20:11 | 12 h 14 min |
| April 21 | 06:55 | 20:56 | 14 h 02 min |
| May 21 | 06:09 | 21:38 | 15 h 29 min |
| June 21 | 05:55 | 22:02 | 16 h 06 min |
| July 21 | 06:18 | 21:47 | 15 h 29 min |
| August 21 | 06:59 | 20:59 | 14 h 00 min |
| September 21 | 07:42 | 19:56 | 12 h 14 min |
| October 21 | 08:25 | 18:56 | 10 h 30 min |
| November 21 | 08:13 | 17:11 | 8 h 58 min |
| December 21 | 08:45 | 17:04 | 8 h 19 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 48.4° N, 89.3° 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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